Your most unhappy customers are your greatest source of learning.

Success is never final. Failure is never fatal. It s courage that counts.

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

Nothing is particularly hard if you divide it into small jobs

Success is most often achieved by those who don't know that failure is inevitable.

Develop success from failures. Discouragement and failure are two of the surest stepping stones to success.

The best of artists has no conception that the marble alone does not contain within itself.

I never did a day's work in my life. It was all fun.

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

Genius is eternal patience.

When things go wrong don't go with them

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

No business which depends for existence on paying less than living wages to its workers has any right to continue in this country

You can observe a lot just by watching.

Success means we go to sleep at night knowing that our talents and ablities were used in a way that served others.

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

A good objective of leadership is to help those who are doing poorly to do well and to help those who are doing well to do even better.

If we all did the things we are really capable of doing, we would literally astound ourselves

Innovation distinguishes between a leader and a follower.

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

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.