There are no bad mistakes in maths, only discoveries.

The greatest enemy to human potential is your comfort zone

Failure to prepare = preparing to fail

There are no shortcuts to any place worth going.

Never underestimate the importance of small steps. small steps = big changes. 

Everything you want is on the other side of fear

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

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

Hard work - a two way street where you get exactly what you put in.

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

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

You can hire a tutor but you can't hire someone to practice for you.

Dreams don't work unless you do.

Knowledge is of no value unless you put it into practice.

Success is a journey, not a destination.