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

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

The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.

He who has begun his task is half-way done. Have the courage to begin!

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

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

"I" not them. Be the best version of you.

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

The easiest person to deceive is yourself.

The journey of a thousand miles begins with one step. 

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

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

It always seems impossible until it's done.

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

Practice like you’ve never won. Perform like you’ve never lost.