I think, therefore I am.

Hard work beats talent when talent doesn't work hard.

I can is 100 times more important than IQ.

You cannot escape the responsibility of tomorrow by evading it today

The greatest mistake we make is living in constant fear that we will make one.

We are all maths people : step 1 - do maths and step 2 - be a person. 

Dreams don't work unless you do.

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

The journey of a thousand miles begins with one step. 

We learn more from failure than we do from success.

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

The master has failed more times than the beginner has even tried

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

Skills are built not born.

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