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

The road to success is like a staircase. If you want to succeed, double your failure rate

Tough times never last, but tough people do.

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.

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.

We learn more from failure than we do from success.

Instead of finding reasons why you can't, find reasons why you can.

The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.

Skills are built not born.

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

If you fail, next time fail better.

Failure is not the opposite of success, it is part of the success.

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

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

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