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

The power of reflection is the most powerful skill you’ll learn.

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

99% of failures come from people who have the habit of making excuses.

Nobody said it’d be easy, they just promised it would be worth it.

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

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

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

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

It always seems impossible until it's done.

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

Lose an hour in the morning and you will spend all day looking for it.

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.

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

We learn more from failure than we do from success.