where did we get our morals from?

I've had this long debate with my aunt (really religious). She say (in which I agree with her) the fundamentals of government go based off religion or the bible. for example. in religion you have a place where you go if you're good (heaven), and you have a place where you go if you're bad (hell). same thing happens in today's society if you're good you get to be free if your breaking the law you go to jail. I feel like we got the "morals" from religion defining what's good and what's bad. so whether your atheist or dont belive in a god... its religion that gave us morals to decide what's good from bad. I dont believe in the bible cause it contradicts itself. but i do belive that there is a God. and I go pretty much go based off good.