You can hire a tutor but you can't hire someone to practice for you.

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

I think, therefore I am.

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

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

I can is 100 times more important than IQ.

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

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. 

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

The greatest mistake we make is living in constant fear that we will make one.

Time is your friend, impulse is your enemy.

Dreams don't work unless you do.

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

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

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