When you make a mistake, take another chance. Only when you choose not to do so do you fail.

I think, therefore I am.

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

He who has begun his task is half-way done. Have the courage to begin!

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

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.

There are no bad mistakes in maths, only discoveries.

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

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

Failure is not the opposite of success, it is part of the success.

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

Procrastination makes easy things hard and hard things harder.

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

Tomorrow is worth more than yesterday but less than today.