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

99% of failures come from people who have the habit of making excuses.

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

The greatest mistake we make is living in constant fear that we will make one.

I think, therefore I am.

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.

There are no shortcuts to any place worth going.

You cannot start the next chapter of your life if you keep re-reading the last one.

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

Failure is not the opposite of success, it is part of the success.

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

He who has begun his task is half-way done. Have the courage to begin!

Everything you want is on the other side of fear

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

Don’t confuse your path with your destination. Just because its stormy now doesn’t mean you are headed for failure.