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

Tomorrow is worth more than yesterday but less than today.

Tough times never last, but tough people do.

There is no elevator to success, you have to take the stairs.

Failure to prepare = preparing to fail

There are no bad mistakes in maths, only discoveries.

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

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

The easiest person to deceive is yourself.

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

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

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

Never underestimate the importance of small steps. small steps = big changes. 

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

I can is 100 times more important than IQ.