Tomorrow is worth more than yesterday but less than today.

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. 

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.

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

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

Dreams don't work unless you do.

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

I can is 100 times more important than IQ.

Shoot for the moon and even if you miss you’ll land among the stars/

Don’t hang your targets after you’re done shooting.

You cannot escape the responsibility of tomorrow by evading it today

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

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

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