You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

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

Your attitude is everything. Pick a good one.

Don't fear failure, fear being in the same exact same place next year as you are now.

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

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

Don’t confuse your path with your destination. Just because its stormy now doesn’t mean you are headed for failure.

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

If you can understand just one thing thoroughly, then you will understand everything.

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

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

I can is 100 times more important than IQ.

I think, therefore I am.

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.

Dreams don't work unless you do.