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

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

Hard work beats talent when talent doesn't work hard.

If you fail, next time fail better.

We all have two lives. The second begins when we realise we only have one. 

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

Lose an hour in the morning and you will spend all day looking for it.

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

The easiest person to deceive is yourself.

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

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.

Success is the sum of small repeated efforts, day in and day out.

If you can understand just one thing thoroughly, then you will understand everything.

Success is a journey, not a destination.