We all have two lives. The second begins when we realise we only have one. 

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

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.

Success is not final, failure is not fatal.  It is the courage to continue that counts.

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

You cannot start the next chapter of your life if you keep re-reading the last one.

Failure is NOT your destiny. Failure is the key to success.

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

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

Try and do one thing each day that you would really rather not do.

He who has begun his task is half-way done. Have the courage to begin!

I can is 100 times more important than IQ.

Don’t be afraid to work hard and find out how good you can really be.

Success can never happen without the journey (struggle).

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