It's no good saying one thing and thinking another.

The most important single ingredient in the formula of success is knowing how to get along with people.

Surely human affairs would be far happier if the power in men to be silent were the same as that to speak. But experience more than sufficiently teaches that men govern nothing with more difficulty than their tongues.

Noise proves nothing. Often a hen who has merely laid an egg crackles as if she had laid an asteroid.

As we express our gratitude, we must never forget that the highest appreciation is not to utter words, but to live by them.

Let thy speech be short, comprehending much in few words

If you spend too much time thinking about a thing, you'll never get it done.

Plant seeds of expectation in your mind; cultivate thoughts that anticipate achievement. Believe in yourself as being capable of overcoming all obstacles and weaknesses.

It is a very great thing to be able to think as you like; but, after all, an important question remains: what you think.

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

If you want to be happy, set a goal that commands your thoughts, liberates your energy and inspires your hopes.

One of the greatest pains to human nature is the pain of a new idea.

Men should strive to think much and know little.

The truth has no defense against a fool determined to believe a lie.

To fly as fast as thought, you must begin by knowing that you have already arrived.

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.

Understanding a question is half an answer.