Purity, patience, and perseverance are the three essentials to success and, above all, love.

In the business world, the rearview mirror is always clearer than the windshield.

The secret of success is constancy to purpose.

What one has to do usually can be done.

Try not to become a man of success but rather to become a man of value.

When inspiration does not come to me, I go halfway to meet it.

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

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

People refuse to take chances in business, because they fear the criticism which may follow if they fail.

Because ideas have to be original only with regard to their adaptation to the problem at hand, I am always extremely interested in how others have used them...

I`d like to live as a poor man with lots of money.

The painter has the Universe in his mind and hands.

Coming together is the beginning. Keeping together is progress. Working together is success.

Your most unhappy customers are your greatest source of learning.

No man needs sympathy because he has to work, because he has a burden to carry. Far and away the best prize that life offers is the chance to work hard at work worth doing.

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

No man ever achieved worthwhile success who did not, at one time or other, find himself with at least one foot hanging well over the brink of failure.

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

If you do not change direction, you may end up where you are heading.

You may have to fight a battle more than once to win it.

I've always found the second book in a series is the hardest to write.