If your business is only to sweep a crossing, remember it is your duty to make that crossing the best swept of the world.

When asked, 'How do you write?' I invariably answer, 'one word at a time.'

Be interesting, be enthusiastic... and don't talk too much.

A creative man is motivated by the desire to achieve, not by the desire to beat others.

Most people spend more time and energy going around problems than in trying to solve them.

Be a yardstick of quality. Some people aren't used to an environment where excellence is expected.

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

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

No man can taste the fruits of autumn while he is delighting his scent with the flowers of spring.

Old Professors never die, they just lose their faculties.

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

What one has to do usually can be done.

If it's me against 48, I feel sorry for the 48.

It is your decisions, and not your conditions, that determine your destiny.

When you play, play hard; when you work, don't play at all.

Never make excuses. Your friends don't need them and your foes won't believe them.

Without a humble but reasonable confidence in your own powers you cannot be successful or happy.

The successful leader must be willing to assume responsibility for the mistakes and the shortcomings of his followers.

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

For the bureaucrat, the world is a mere object to be manipulated by him.

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