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

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

Time is your friend, impulse is your enemy.

Fall down seven times, stand up eight.

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

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

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

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

Skills are built not born.

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

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

Failure is NOT your destiny. Failure is the key to success.

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

The journey of a thousand miles begins with one step.

Success can never happen without the journey (struggle).