I hear and I forget. I see and I remember. I do and I understand.

You cannot truly listen to anyone and do anything else at the same time.

Be curious, not judgmental.

Act as if the maxim of your action were to become through your will a general natural law

Common sense is in spite of, not as the result of education.

Nature is pleased with simplicity. And nature is no dummy

Be frank and explicit. That is the right line to take when you wish to conceal your own mind and to confuse the minds of others.

Those who cannot work with their hearts achieve but a hollow, half-hearted success that breeds bitterness all around.

Work is the price which is paid for reputation.

Blessed are they who hunger and thirst for righteousness for they shall be satisfied.

Criticize the act, not the person.

Your inner world has its own taste, has its own fragrance, has its own light. And it is utterly silent.

Science is organized knowledge. Wisdom is organized life.

He who conquers others is strong; he who conquers himself is mighty.

A house is not a home unless it contains food and fire for the mind as well as the body.

A precedent embalms a principle.

Intellectuals solve problems, geniuses prevent them.

Boredom is the root of all evil - the despairing refusal to be oneself.

Experience is merely the name men gave to their mistakes.

The secret of life, though, is to fall seven times and to get up eight times.

Never pick a fight with an ugly person, they've got nothing to lose.