Don’t hang your targets after you’re done shooting.

Your attitude is everything. Pick a good one.

If you fail, next time fail better.

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

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

It is never too late to turn an unproductive day into a productive one.

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

Don't expect to be good at maths or understand things straight away. Be patient and persistent. The most powerful warriors are patience and time.

Pure mathematics is in its way, the poetry of logical ideas.

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

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

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

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

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.

Time is your friend, impulse is your enemy.