Anyone know any cool paradoxes like...?

Question:

Anyone know any cool paradoxes like...?

if time travel is possible and you travel back in time and kill your mother, that means that you can never have been born in the first place to have gone back in time and killed your mother

Best Answer - Chosen by Asker: Everything mom says is true...She says "Your father's a liar" your dad says "Your mother's right"