Einstein did not believe in a personal God. However, it is interesting how he arrived at that conclusion. In developing the theory of relativity, Einstein realized that the equations led to the conclusion that the universe had a beginning. He didn’t like the idea of a beginning, because he thought one would have to conclude that the universe was created by God. So, he added a cosmological constant to the equation to attempt to get rid of the beginning. He said this was one of the worst mistakes of his life. Of course, the results of Edwin Hubble confirmed that the universe was expanding and had a beginning at some point in the past.
Einstein recognized the remarkable design and order of the cosmos, but could not reconcile those characteristics with the evil and suffering he found in human existence. How could an all-powerful God allow the suffering that exists on earth?
Einstein’s failure to understand the motives of God are the result of his incorrect assumption that God intended this universe as His ultimate perfect creation. Einstein could not get past the moral problems that are present in our universe. He assumed, as most atheists do, that a personal God would only create a universe which is both good morally and perfect physically. Where Einstein erred was in that thinking that there was a god who designed the universe, but designed it in such as way as to allow evil without a purpose. If the universe were designed and it included evil, then there must have been a purpose for that evil. However, according to Christianity, the purpose of the universe is not to be morally or physically perfect, but to provide a place where spiritual creatures can choose to love or reject God – to live with Him forever in a new, perfect universe, or reject Him and live apart from Him for eternity. It would not be possible to make this choice in a universe in which all moral choices are restricted to only good ones. Einstein didn’t seem to understand that one could not choose between good and bad if bad did not exist. It’s amazing that such a brilliant man could not understand such a simple logical principle.