Do what you have always done and you will always be what you have always been

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

We learn more from failure than we do from success.

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

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

There is no elevator to success, you have to take the stairs.

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

I think, therefore I am.

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

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

The journey of a thousand miles begins with one step. 

You're not in competition with anyone but yourself. Outdo your past, not other people.

I can is 100 times more important than IQ.

The greatest glory in loving lies not in never falling, but in rising every time we fall.

The greatest enemy to human potential is your comfort zone