Nothing is impossible if you want it badly enough. Impossible = I'm possible.

I think, therefore I am.

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

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

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

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

Time is your friend, impulse is your enemy.

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

A book a day keeps the stupidity away.

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there

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

Fall down seven times, stand up eight.

No one starts out on top. You have to work your way up.

If you fail, next time fail better.

Procrastination makes easy things hard and hard things harder.