You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

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

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

The easiest person to deceive is yourself.

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

Mistakes have the power to turn you into something better than you were before.

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

Time is your friend, impulse is your enemy.

Pure mathematics is in its way, the poetry of logical ideas.

Start, struggle, fail, fix and learn. Repeat.

If you fail, next time fail better.

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

We learn more from failure than we do from success.

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

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