If you really want something you’ll find a way. If you don’t you’ll find an excuse.

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

It always seems impossible until it's done.

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

If you want to succeed, double your failure rate.

If you fail, next time fail better.

Do what you have always done and you will always be what you have always been

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

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

Don’t hang your targets after you’re done shooting.

Never underestimate the importance of small steps. small steps = big changes. 

I think, therefore I am.

If you can understand just one thing thoroughly, then you will understand everything.

Nobody said it’d be easy, they just promised it would be worth it.

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.