Everything you want is on the other side of fear

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

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

It is never too late to become what you might have been

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

Run in the morning before your body figures out what you're doing

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

Mistakes have the power to turn you into something better than you were before.

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

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

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

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

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

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

The temptation to quit will be the greatest when you are about to succeed