Geronimo and his friend took the ruby to Azul, he had the sapphire so they could stick together and peace would happen. Geronimo went home and he was happy to see his family again. You'll get paid for what you have done. It you did something bad, it will return to you, or if you did good, nice things, it will return to you. So I thought we need to be careful not to do bad things, or it would all return to us.  

 "Don't do unto others what you don't want done unto you".

Another way: Your sentence is okay and this is another way of saying it.

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