The road to success is like a staircase. If you want to succeed, double your failure rate

You cannot escape the responsibility of tomorrow by evading it today

Failure to prepare = preparing to fail

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

Dreams don't work unless you do.

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

I have not failed, I've just found 10,000 ways that won't work.

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

We all have two lives. The second begins when we realise we only have one. 

Run in the morning before your body figures out what you're doing

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

Don’t practice until you get it right, practice until you can’t get it wrong.

Your limitation - its only your imagination.

If you fail, next time fail better.

It always seems impossible until it's done.