Success is a lousy teacher. It seduces smart people into thinking they can't lose.

It's fine to celebrate success, but it is more important to heed the lessons of failure.

We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten.

I choose a lazy person to do a hard job. Because a lazy person will find an easy way to do it.

Your most unhappy customers are your greatest source of learning.

The person who studies three, four, five times harder than anyone else -- that is a genius.

-- Hideyo Noguchi

I have not done what I wanted to, but I tried to make a good fight.

-- Mary Cassatt

I think that if you shake the tree, you ought to be around when the fruit falls to pick it up.

-- Mary Cassatt

If you carve without ceasing, even metal and stone can be engraved.

-- Xunzi

I never dreamed about success. I worked for it.

-- Estée Lauder

Luck is a dividend of sweat. The more you sweat, the luckier you get.

-- Ray Kroc