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

The road to success is like a staircase. If you want to succeed, double your failure rate

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

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

Just stick with it, what seems hard now will one day be your warm up.

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

Hard work - a two way street where you get exactly what you put in.

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. 

The journey of a thousand miles begins with one step.

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

The wise person knows that no answer is also an answer

Procrastination makes easy things hard and hard things harder.

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

Fall down seven times, stand up eight.

Tomorrow is worth more than yesterday but less than today.