You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

Pure mathematics is in its way, the poetry of logical ideas.

"I" not them. Be the best version of you.

Patience is when you’re supposed to get mad, but you choose to understand

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. 

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

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

Time is your friend, impulse is your enemy.

Tough times never last, but tough people do.

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

The greatest glory in loving lies not in never falling, but in rising every time we fall.

Instead of finding reasons why you can't, find reasons why you can.

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

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

We learn more from failure than we do from success.