You're not in competition with anyone but yourself. Outdo your past, not other people.

Don't fear failure, fear being in the same exact same place next year as you are now.

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

Tough times never last, but tough people do.

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

I can is 100 times more important than IQ.

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.

The easiest person to deceive is yourself.

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

Go as far as you can see, when you get there, you’ll be able to see further

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.

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

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

The greatest enemy to human potential is your comfort zone