Whenever you find yourself doubting how far you can go, just remember how far you have come.

Success can never happen without the journey (struggle).

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

A hero is no braver than an ordinary man, but he is braver five minutes longer.

Go as far as you can see, when you get there, you’ll be able to see further

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

A book a day keeps the stupidity away.

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

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

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

Everything you want is on the other side of fear

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

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

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