Praise be to Allah.
Allah never created anything in vain
Wisdom is one of Allah’s finest qualities, and al-Hakim is one of His most revered names (the most Wise). Exalted be Allah far above such a creature, for He has not created anything in vain. Instead, He makes things for noble, intelligent, and sublime purposes. Those who are aware of them are aware of them, and those who are not aware of them are unaware of them. In His Noble Book, Allah claims that both the heavens and the earth were not made in vain and that He had not created people in vain. Allah declares (meaning interpretation):
“Did you think that we had created you in play (without any purpose), and that you would not be brought back to Us?” So Exalted be Allah, the True King: La ilaha illa Huwa (none has the right to be worshipped but He), the Lord of the Supreme Throne!” [al-Muminun 23:115, 116]
“We created not the heavens and the earth and all that is between them for a (mere) play” [al-Anbiya 21:16]
“And We created not the heavens and the earth, and all that is between them, for mere play. We created them not except with truth (i.e. to examine and test those who are obedient and those who are disobedient and then reward the obedient ones and punish the disobedient ones), but most of them know not” [al-Dukhan 44:38]
“HaMim. [These letters are one of the miracles of the Quran, and none but Allah (Alone) knows their meanings.] The revelation of the Book (this Quran) is from Allah, the All-Mighty, the All-Wise. We created not the heavens and the earth and all that is between them except with truth, and for an appointed term. But those who disbelieve, turn away from that whereof they are warned” [al-Ahqaf 46:1-3]
From the perspective of reason, it is equally clear that there was wisdom in the creation of man as there is from the perspective of shari’ah (Islamic law). The wise man cannot but acknowledge that everything has a purpose, and the wise man considers himself above acting in his own life purposelessly. So how about Allah, the Wisest of the Wise?
Because of this, the wise believers say that Allah’s creation contains wisdom, whereas the unbelievers contest this. Allah declares (meaning interpretation):
“Verily, in the creation of the heavens and the earth, and in the alternation of night and day, there are indeed signs for men of understanding. Those who remember Allah (always, and in prayers) standing, sitting, and lying down on their sides, and think deeply about the creation of the heavens and the earth, (saying): Our Lord! You have not created (all) this without purpose, glory to You! (Exalted are You above all that they associate with You as partners). Give us salvation from the torment of the Fire”[Al ‘Imran 3:190, 191]
And Allah says, describing the attitude of the disbelievers towards the wisdom of His creation (interpretation of the meaning):
“And We created not the heaven and the earth and all that is between them without purpose! That is the consideration of those who disbelieve! Then woe to those who disbelieve (in Islamic Monotheism) from the Fire!” [Sad 38:27]
Shaykh ‘Abd al-Rahman al-Sa’di (may Allah have mercy on him) said:
“Allah tells us of His perfect wisdom in creating the heavens and the earth, and that He has not created them in vain, i.e., in play with no beneficial purpose.
“That is the consideration of those who disbelieve” in their Lord, because they think that which does not befit His Majesty.
“Then woe to those who disbelieve (in Islamic Monotheism) from the Fire!” Allah created the heavens and earth in truth for truth. He created them so that His slaves might understand the completeness of His Knowledge and Power and the extent of His Might, and that He Alone is the One to be worshipped, and not those who have not created even an atom in the heavens or on earth. and not those who have not created even an atom in the heavens or on earth. Additionally, so that they may be aware of the reality of the Resurrection and the fact that Allah will decide who is good and who is bad. A person who lacks knowledge of Allah’s wisdom should not assume that Allah will judge them equally. Allah so declares (interpretation of the meaning):
“Shall we treat those who believe (in the Oneness of Allah Islamic Monotheism) and do righteous good deeds as Mufsidun (those who associate partners in worship with Allah and commit crimes) on earth? Or shall We treat the Muttaqun (the pious) as the Fujjar (criminals, disbelievers, the wicked)?” [Sad 38:28]
This does not befit our wisdom and Our judgement.” (Tafsir al-Sa’di, p. 712)
Man was not created to eat, drink and multiply alone
Man was not created by Allah to consume food and liquids and procreate, or otherwise he would be an animal. Since many people refuse to believe, they are unaware of or reject the real wisdom behind their creation and only care about taking advantage of the pleasures of this world. Despite the fact that Allah has honored and favored man far more than many of those He has created, many people still choose to disbelieve. Such people’s lives are similar to those of animals, and they are actually even further from the truth. Allah declares (meaning interpretation):
“While those who disbelieve enjoy themselves and eat as cattle eat; and the Fire will be their abode” [Muhammad 47:12]
“Leave them to eat and enjoy, and let them be preoccupied with (false) hope. They will come to know!” [al-Hijr 15:3]
“And surely, We have created many of the jinn and mankind for Hell. They have hearts wherewith they understand not, and they have eyes wherewith they see not, and they have ears wherewith they hear not (the truth). They are like cattle, nay even more astray; those! They are the heedless ones” [al-A’raf 7:179]
It is well known to wise people that the one who does a thing knows more about the wisdom behind it than anyone else and for Allah is the highest description (cf. al-Nahl 16:60);
He is the one who created humanity, and He is the one who best understands the logic behind that creation. No one would argue against this in terms of material things. Everyone believes that there is a purpose for the creation of their bodily faculties. For example, the ear is for hearing, the eye is for seeing. Does it make sense that his physical abilities were created with a purpose, but that he was created in vain? Or does he refuse to respond when the One who created him explains the purpose for his creation?
Allah created us to be tested
Allah has informed us that the world, the heavens, and life and death were all created for the purpose of testing, in order to test man. Whoever obeys Him will be rewarded, and whoever disobeys Him will suffer the consequences. Allah declares (meaning interpretation):
“And He it is Who has created the heavens and the earth in six Days and His Throne was on the water, that He might try you, which of you is the best in deeds. But if you were to say to them: “You shall indeed be raised up after death,” those who disbelieve would be sure to say, “This is nothing but obvious magic” [Hud 11:7]
“Who has created death and life that He may test you which of you is best in deed. And He is the All-Mighty, the Oft-Forgiving” [al-Mulk 67:2]
From this test results a manifestation of the names and attributes of Allah, such as Allah’s names al-Rahman (the Most Gracious), al-Ghafur (the Oft Forgiving), al-Hakim (the Most Wise), al-Tawwab (the Acceptor of Repentance), al-Rahim (the Most Merciful), and other names of Allah.
Allah created us to worship Him alone
The commandment to affirm His Oneness (Tawhid) and to worship Him Alone with no partner or associate is one of the main purposes for which Allah created people, as well as one of the greatest tests. According to what Allah says (interpretation of the meaning), this is why He created humans.
“And I (Allah) created not the jinn and mankind except that they should worship Me (Alone)” [al-Dhariyat 51:56]
I have created them in order to command them to worship Me, not because I have any need of them, stated Ibn Kathir (may Allah have mercy on him). Except that they should worship Me (alone), whether voluntarily or involuntarily, Ali ibn Abi Talhah narrated from Ibn ‘Abbas. Ibn Jarir favored this point of view. Except that they should know Me, Ibn Jurayj stated. “Except that they should worship Me,” Al-Rabi’ ibn Anas remarked, “for the purpose of worship.” Ibn Kathir’s Tafsir, verse 239
“Allah, may He be exalted, created men to worship Him and to know Him by His names and characteristics, and to enjoin that upon them,” stated Shaykh ‘Abd al-Rahman al-Sa’di (may Allah have mercy on him). Anyone who submits to Him and follows the instructions will be successful; however, those who disobey the instructions are the losers. Inevitably, He will bring them together in the Hereafter, where He will judge them for the deeds He commanded and forbade, and either reward or punish them. As a result, Allah mentions how the polytheists (mushrikin) rejected the concept of recompense and punishment, as He states (interpretation of the meaning):
“But if you were to say to them: ‘You shall indeed be raised up after death,’ those who disbelieve would be sure to say, ‘This is nothing but obvious magic’” [Hud 11:7]
They would strongly reject your words and the message you delivered, and they would scream, “This is nothing but evident sorcery,” while in fact it is plain truth, if you were to speak to these people and tell them about the Resurrection after death. (P. 333 of Tafsir al-Sa’di)
And Allah is the greatest.