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

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

The temptation to quit will be the greatest when you are about to succeed

The greatest enemy to human potential is your comfort zone

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.

Dreams don't work unless you do.

We are all maths people : step 1 - do maths and step 2 - be a person. 

Failure to prepare = preparing to fail

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

I can is 100 times more important than IQ.

Your attitude is everything. Pick a good one.

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

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

Everything that happens was once a dream.

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