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

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

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

Everything you want is on the other side of fear

Don't expect to be good at maths or understand things straight away. Be patient and persistent. Rome wasn't built in a day, but they worked on it every single day. 

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.

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

You cannot escape the responsibility of tomorrow by evading it today

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

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

The master has failed more times than the beginner has even tried

Hard work beats talent when talent doesn't work hard.

I think, therefore I am.

Fall down seven times, stand up eight.

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