Don’t be afraid to work hard and find out how good you can really be.

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

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

Tomorrow is worth more than yesterday but less than today.

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

If you can understand just one thing thoroughly, then you will understand everything.

Success can never happen without the journey (struggle).

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

The bad news is time flies, the good new is that you're the pilot.

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

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

I think, therefore I am.

Pure mathematics is in its way, the poetry of logical ideas.

Failure to prepare = preparing to fail

Don’t practice until you get it right, practice until you can’t get it wrong.