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

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

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

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

There are no bad mistakes in maths, only discoveries.

The journey of a thousand miles begins with one step. 

Hope might be a good breakfast, but it makes a very poor dinner

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

Start, struggle, fail, fix and learn. Repeat.

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.

You cannot start the next chapter of your life if you keep re-reading the last one.

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

Try and do one thing each day that you would really rather not do.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

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