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

I think, therefore I am.

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

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

Your limitation - its only your imagination.

We learn more from failure than we do from success.

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

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

Time is your friend, impulse is your enemy.

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

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

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.

Hope might be a good breakfast, but it makes a very poor dinner

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

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