What's your favorite quote? Anything and everything

"I am all the things I have ever loved" - Toni Morrison (simple, but I think of it often)
"The fact is that five years ago I was, as near as possible, a different person to what I am tonight. I, as I am now, didn't exist at all. Will the same thing happen in the next five years? I hope so." - Siegfried Sassoon

I have quite a few, but my most favorites are :

1. I know that I know nothing - Socrates
2. Mother nature did us a favor, gave each one of us a different flavor - Jason Mraz
3. A negative mind will never give you a positive life - Shahrukh Khan

"I love to travel but hate to arrive." - - A. Einstein