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

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

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

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

The greatest mistake we make is living in constant fear that we will make one.

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

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

I can is 100 times more important than IQ.

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there

In order to become better than anybody else you must first become better than yourself.

Time is your friend, impulse is your enemy.

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

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

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.

Focus on progress, not perfection. Practise a little bit every day - little and often  Slow and steady wins the race.