I think, therefore I am.

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

I can is 100 times more important than IQ.

Hard work beats talent when talent doesn't work hard.

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

It is never too late to turn an unproductive day into a productive one.

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

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.

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

The bad news is time flies, the good new is that you're the pilot.

You can hire a tutor but you can't hire someone to practice for you.

Dreams don't work unless you do.

Skills are built not born.

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