I think, therefore I am.

The greatest enemy to human potential is your comfort zone

He who has begun his task is half-way done. Have the courage to begin!

You cannot escape the responsibility of tomorrow by evading it today

Instead of finding reasons why you can't, find reasons why you can.

There is great wisdom in being able to realise that you don’t understand something before it goes too far.

You cannot start the next chapter of your life if you keep re-reading the last one.

Success is not final and failure is not fatal. It is the courage to continue that counts.

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

Your limitation - its only your imagination.

Skills are built not born.

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

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

Whenever you find yourself doubting how far you can go, just remember how far you have come.

I can is 100 times more important than IQ.