In order to become better than anybody else you must first become better than yourself.

The greatest enemy to human potential is your comfort zone

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

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

We learn more from failure than we do from success.

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

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

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

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

Procrastination is the thief of time and the enemy of success.

There are no shortcuts to any place worth going.

Mistakes have the power to turn you into something better than you were before.

Fall down seven times, stand up eight.

Skills are built not born.

Hope might be a good breakfast, but it makes a very poor dinner