Bill Gates

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

Your most unhappy customers are your greatest source of learning.

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

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

If you can't make it good, at least make it look good.

As we look ahead into the next century, leaders will be those who empower others.