Fall down seven times, stand up eight.

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

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

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

I think, therefore I am.

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

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

Failure to prepare = preparing to fail

Success is not final, failure is not fatal.  It is the courage to continue that counts.

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

I had no time is no excuse. 1 hour is 4% of your day and 1 minute is 0.34 % of your day.

Practice like you’ve never won. Perform like you’ve never lost.

The journey of a thousand miles begins with one step. 

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

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.