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

It is never too late to turn an unproductive day into a productive one.

The bad news is time flies, the good new is that you're the pilot.

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

Time is your friend, impulse is your enemy.

There are no bad mistakes in maths, only discoveries.

The journey of a thousand miles begins with one step.

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

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

There are no shortcuts to any place worth going.

I think, therefore I am.

The temptation to quit will be the greatest when you are about to succeed

Fall down seven times, stand up eight.

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

No one starts out on top. You have to work your way up.