The greatest enemy to human potential is your comfort zone

I think, therefore I am.

The bad news is time flies, the good new is that you're the pilot.

A hero is no braver than an ordinary man, but he is braver five minutes longer.

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

"I" not them. Be the best version of you.

We learn more from failure than we do from success.

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

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

Whenever you find yourself doubting how far you can go, just remember how far you have come.

The wise person knows that no answer is also an answer

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.

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

Focus on progress, not perfection. Practise a little bit every day - little and often  Slow and steady wins the race.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.