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

If you can understand just one thing thoroughly, then you will understand everything.

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

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

Time is your friend, impulse is your enemy.

Success is a journey, not a destination.

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

Tomorrow is worth more than yesterday but less than today.

We are all maths people : step 1 - do maths and step 2 - be a person. 

Tough times never last, but tough people do.

If you want to succeed, double your failure rate.

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

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

There is no elevator to success, you have to take the stairs.

The journey of a thousand miles begins with one step.