Don't throw away the old bucket until you know whether the new one holds water.

Do not feel certain of anything.

We signal that good can be achieved amongst human beings who are prepared to trust, prepared to believe in the goodness of people.

The five steps in teaching an employee new skills are preparation, explanation, showing, observation and supervision.

There is nothing more frightful than ignorance in action.

An hour of planning can say you 10 hours of doing.

You are the only person who thinks in your mind. You are the power and authority in your world.

The past is memory. The future is imagination. All that exists is now.

In this age, the man who dares to think for himself and to act independently does a service to his race.

To make a contented slave it is necessary to make a thoughtless one. It is necessary to darken the moral and mental vision and, as far as possible, to annihilate the power of reason.

It isn't what you have, or who you are, or where you are, or what you are doing that makes you happy or unhappy. It is what you think about.

Men show their characters in nothing more clearly than in what they think laughable.