The wise person knows that no answer is also an answer

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

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

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

The bad news is time flies, the good new is that you're the pilot.

Patience is when you’re supposed to get mad, but you choose to understand

If you fail, next time fail better.

Procrastination is the thief of time and the enemy of success.

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

Procrastination makes easy things hard and hard things harder.

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

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

Everything you want is on the other side of fear

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

The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.