I think, therefore I am.

Fall down seven times, stand up eight.

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

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

99% of genius comes from hard work, the remaining 1% comes from innate talent

There are no bad mistakes in maths, only discoveries.

Failure to prepare = preparing to fail

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

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

Everything you want is on the other side of fear

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

No one starts out on top. You have to work your way up.

Success is a journey, not a destination.

Success is the sum of small repeated efforts, day in and day out.

It is never too late to turn an unproductive day into a productive one.