Personally, I enjoy working about 18 hours a day. Besides the short catnaps I take each day, I average about four to five hours of sleep per night.

Work does not kill a man, it is worry, irregularity and uncertainty that kill.

A lot of companies have chosen to downsize, and maybe that was the right thing for them. We chose a different path. Our belief was that if we kept putting great products in front of customers, they would continue to open their wallets.

All achievement, all earned riches, have their beginning in an idea.

He who will not economize will have to agonize.

Fake it until you make it.

You've got to be very careful if you don't know where you're going, because you might not get there.

Results! Why, man, I have gotten a lot of results. I know several thousand things that won't work.

Opportunity is missed by most people because it is dressed in overalls and looks like work.

Well done is better than well said.

The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.

What one has to do usually can be done.

Just because something doesn't do what you planned it to do doesn't mean it's useless.

Success is the doing, not the getting; in the trying, not the triumph. Success is a personal standard, reaching for the highest that is in us, becoming all that we can be. If we do our best, we are a success.

For a man to conquer himself is the first and noblest of all victories.

To invent, you need a good imagination and a pile of junk.

If you wish success in life, make perseverance your bosom friend, experience your wise counselor, caution your elder brother and hope your guardian genius.

If you aspire to the highest place, it is no disgrace to stop at the second, or even the third, place.

It is no use saying 'we are doing our best.' You have got to succeed in doing what is necessary.

If everyone is moving forward together, then success takes care of itself.

When things go wrong don't go with them