No one starts out on top. You have to work your way up.

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

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

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

The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.

There are no shortcuts to any place worth going.

Run in the morning before your body figures out what you're doing

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

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. 

It doesn’t matter where you start, it matters how you end

Mistakes have the power to turn you into something better than you were before.

99% of genius comes from hard work, the remaining 1% comes from innate talent

Dreams don't work unless you do.

It always seems impossible until it's done.

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