Allah is ever Self-Existent (Al-Qayyum) and Eternal (Al-Baqi). The attribute of Self-existence and eternity is one of the divine names of Allah, meaning that He is self-existent with no beginning and end, and that He is free of any need from creation. Rather, everything needs Him for existence. The Qur'an says:
"O you men! It is you that have need of Allah, but Allah is the One free of all wants, worthy of all praise." (Qur'an 35:15)
"Allah is free of all needs from all creation." (Qur'an 29:6)
As these Divine messages clearly put, Allah does not need any agent for His existence. That is why it is stated that Allah is permanently self-existing.
If a person does not perceive this Divine attribute of Allah, and if he/she does not have a complete faith in this regard, his/her faith is ranked as insufficient and void, because by doing so, he/she reduces Allah to the level of creation. Thus Allah is exempt from the attributions that belong to all else besides Him. However, those hearts having mature faith constantly invoke the Divine name of "Self Existent and Eternal" and with the blessing of this invocation, they, heart and soul, bind themselves to the bond of Allah and annihilate themselves in Allah. Namely, the servants enjoyment of the invocation of the Divine names of Allah is to do with how much he/she is independent of all else besides Allah.
- Osman Nuri Topbas in 'Islam Spirit and Form'