Whats the Deepest or favourite quotes you know?

Dosen't matter what its abt or where it's from.
Answers

Prince

Then let me share with you my dismay reading so many calling quotations"quotes". I feel pained in my very soul.

All hat

One of them certainly is from Eric Fromm in his book The Art of Loving. It says, "When I love I know you - I know me - I know everyone". Absolutely right.