A hero is no braver than an ordinary man, but he is braver five minutes longer.

Your attitude is everything. Pick a good one.

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

Just stick with it, what seems hard now will one day be your warm up.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

99% of genius comes from hard work, the remaining 1% comes from innate talent

I can is 100 times more important than IQ.

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.

You can have results or excuses, not both

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

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

A book a day keeps the stupidity away.

The gift of imperfection - let go of who you think you're supposed to be and embrace who you are.

Knowledge is of no value unless you put it into practice.

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