Here is the funny thing, I was not a true believer in God perse, until one morning waking to see the world unfold in a great dawn.
Came home and spent a few evenings looking up geology,flora and fauna then further up into space though the web.
Conclusion - there is something bigger than us, now did the universe spontaneously blow up or did another force make it happen, I do not know, but what ever, it is way bigger than anyone here.
A belief system is the basis for a society to move ahead and get along, and that is where religion comes in, depending on its values.
As to the op's question, I have found liars, cheats and thieves in both camps.