Procrastination is the thief of time and the enemy of success.

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

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

Don’t practice until you get it right, practice until you can’t get it wrong.

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

The greatest enemy to human potential is your comfort zone

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

If you fail, next time fail better.

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

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

I can is 100 times more important than IQ.

It always seems impossible until it's done.

There are no bad mistakes in maths, only discoveries.

We learn more from failure than we do from success.

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