The easiest person to deceive is yourself.

There is great wisdom in being able to realise that you don’t understand something before it goes too far.

Life is full of opportunities. With every opportunity that is missed, another one is born.

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

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

The wise person knows that no answer is also an answer

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

Don't fear failure, fear being in the same exact same place next year as you are now.

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

In order to become better than anybody else you must first become better than yourself.

Failure is not the opposite of success, it is part of the success.

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

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there

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

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.