When you make a mistake, take another chance. Only when you choose not to do so do you fail.

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

If you fail, next time fail better.

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

If you can understand just one thing thoroughly, then you will understand everything.

You can be shown the path, but only you can make the first step.

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

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

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

Success can never happen without the journey (struggle).

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. 

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

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

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

Each day is an opportunity to improve. Aim to be that little bit better than yesterday and better tomorrow than today.