The gift of imperfection - let go of who you think you're supposed to be and embrace who you are.

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

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

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.

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

If you fail, next time fail better.

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

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

Life is full of opportunities. With every opportunity that is missed, another one is born.

Don’t hang your targets after you’re done shooting.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

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

No one starts out on top. You have to work your way up.

There are no bad mistakes in maths, only discoveries.