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

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

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

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

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

The journey of a thousand miles begins with one step.

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

A hero is no braver than an ordinary man, but he is braver five minutes longer.

Fall down seven times, stand up eight.

The greatest glory in loving lies not in never falling, but in rising every time we fall.

Failure to prepare = preparing to fail

We learn more from failure than we do from success.

99% of genius comes from hard work, the remaining 1% comes from innate talent

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

The easiest person to deceive is yourself.