We don't know a millionth of one percent about anything.

If I have ever made any valuable discoveries, it has been due more to patient attention, than to any other talent.

Only put off until tomorrow what you are willing to die having left undone

It is the set of the sails, not the direction of the wind that determines which way we will go.

No one ever is defeated until defeat has been accepted as a reality.

Thinking is the hardest work there is, which is probably the reason so few engage in it.

Work and worship are necessary to take away the veil, to lift off the bondage and illusion.

A man paints with his brains and not with his hands.

What one has to do usually can be done.

If you are five minutes early, you are already ten minutes late.

I do know that when I am 60, I should be attempting to achieve different personal goals than those which had priority at age 20.

Whether it's Google or Apple or free software, we've got some fantastic competitors and it keeps us on our toes.

The more you are in this business, the more humbled by it you become.

It’s not about what it is, it’s about what it can become.

Your most unhappy customers are your greatest source of learning.

Don't ever promise more than you can deliver, but always deliver more than you promise.

Boredom is one of the most blissful feelings.

Real success can only come if there is a change in our societies and in our economics and in our politics.

Percentages are why I am rich.

If you do not change direction, you may end up where you are heading.

But Marge, what if we chose the wrong religion? Each week we just make God madder and madder.