Procrastination makes easy things hard and hard things harder.

The road to success is like a staircase. If you want to succeed, double your failure rate

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

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

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

Time is your friend, impulse is your enemy.

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

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

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

Success is a journey, not a destination.

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

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

I have not failed, I've just found 10,000 ways that won't work.

The gift of imperfection - let go of who you think you're supposed to be and embrace who you are.

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