Tell anyone and everyone your idea without fear they're going to steal it.

Solve a real problem and the world is yours.

Observe the world around you everything you do, and especially everything you hate to do.

It's okay to doubt yourself, it's okay to feel down; just never give up.

When valuing a startup, add $500k for every engineer, and subtract $250k for every MBA.

Solve a real problem. You don't start a company because you want to be an entrepreneur or the fame and glory that comes along with it. You become an entrepreneur to solve a real problem.

People do make judgments of trust on appearance - in the real world and online.

Recessions are great because they unlock the best people.

Someone is always feeding fat off everything you don't know.

I always hated when my scars started to fade, because as long as I could still see them, I knew why I was hurting.

Our past is the forge upon which we are hardened and tempered, to prepare us for the present. We are like a fine blade that must be hammered into shape before it can be ready to make its finest cuts.

Biology, list history, is not built with 'if's.

What are we, in this boundless and glowing world?

In the meantime [1965-67], [Bob] Dylan was again writing some of the best love songs in the genre, like "Visions of Johanna," "Just Like a Woman," and "Sad-Eyed Lady of the Lowlands."

But then peace, peace! I am so mistrustful of it: so much afraid that it means a sort of weakness and giving in.

What's happened has happened, so what can we do to make it better for tomorrow and the day after? That's why we're here

I like people-watching and fading into crowds.

You are the only young man that I know of who ignores the fact that the future becomes the present, the present the past, and the past turns into everlasting regret if you don't plan for it.