Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

GCSE and A Level Maths are a marathon not a sprint

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. 

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 can is 100 times more important than IQ.

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

There is no elevator to success, you have to take the stairs.

Failure to prepare = preparing to fail

Success is a journey, not a destination.

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

Time is your friend, impulse is your enemy.

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

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

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