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

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

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

We learn more from failure than we do from success.

A book a day keeps the stupidity away.

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

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

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

Time is your friend, impulse is your enemy.

I can is 100 times more important than IQ.

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

You can be shown the path, but only you can make the first step.

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

Do what you have always done and you will always be what you have always been

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.