Don’t compare yourself to others. Compare yourself to the person you were yesterday.

Try and do one thing each day that you would really rather not do.

Success is a journey, not a destination.

Nobody said it’d be easy, they just promised it would be worth it.

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

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

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

The journey of a thousand miles begins with one step. 

Life is full of opportunities. With every opportunity that is missed, another one is born.

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

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

Don’t hang your targets after you’re done shooting.

The easiest person to deceive is yourself.

99% of failures come from people who have the habit of making excuses.

There are no bad mistakes in maths, only discoveries.