Lose an hour in the morning and you will spend all day looking for it.

The greatest mistake we make is living in constant fear that we will make one.

Failure to prepare = preparing to fail

Shoot for the moon and even if you miss you’ll land among the stars/

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

Fall down seven times, stand up eight.

Failure is not the opposite of success, it is part of the success.

Time is your friend, impulse is your enemy.

FAIL - First Attempt In Learning

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

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

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

Success is not final, failure is not fatal.  It is the courage to continue that counts.

It always seems impossible until it's done.

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