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

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

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

Failure is NOT your destiny. Failure is the key to success.

It always seems impossible until it's done.

Failure to prepare = preparing to fail

Instead of finding reasons why you can't, find reasons why you can.

You can be shown the path, but only you can make the first step.

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

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

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

Patience is when you’re supposed to get mad, but you choose to understand

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

There are no shortcuts to any place worth going.