>>12650140There is nothing in this universe that is an efficient cause of itself, for it would have to be prior to itself which is impossible.
A phone cannot will itself into existence, but was made by a phone maker using some material.
The material and the phone maker are not the cause of their own existence. Something else must have caused their existence. Likewise, see the existence of everything there is can be attributed to a first cause then began all causes and things, we call that first cause God.