Answer:
Specifically, it's the same as the saying goes "Don't do unto others what you do not like others do unto you."
it means don't hurt people in anyway that you would find hurtful if they did the same thing you do. Imagine putting yourself on their shoes in which you realized you've hurt them unintentionally, so basically try thinking their situation was yours and maybe next time you can think before you do or say something painful.
