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.

Tomorrow is worth more than yesterday but less than today.

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

I think, therefore I am.

Mistakes have the power to turn you into something better than you were before.

Do what you have always done and you will always be what you have always been

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

99% of failures come from people who have the habit of making excuses.

In order to become better than anybody else you must first become better than yourself.

The gift of imperfection - let go of who you think you're supposed to be and embrace who you are.

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

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

It always seems impossible until it's done.

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