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.

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

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

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

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

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

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

Everything that happens was once a dream.

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

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

Pure mathematics is in its way, the poetry of logical ideas.

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

Time is your friend, impulse is your enemy.