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

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.

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

Tomorrow is worth more than yesterday but less than today.

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

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

Shoot for the moon and even if you miss you’ll land among the stars/

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

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

If you want to succeed, double your failure rate.

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

There are no shortcuts to any place worth going.

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

There is great wisdom in being able to realise that you don’t understand something before it goes too far.

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