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.

Character is destiny.

-- Heraclitus

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

-- Hideyo Noguchi

I never dreamed about success. I worked for it.

-- Estée Lauder

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

-- Xunzi

The exemplary person demands it of himself; the petty person demands it of others.

-- Confucius

Genius is one percent inspiration and ninety-nine percent perspiration.

-- Thomas Edison