Honesty is the first chapter in the book of wisdom.

The only real mistake is the one from which we learn nothing.

It takes a great man to be a good listener.

Wrong life cannot be lived rightly.

The wise man should restrain his senses like the crane and accomplish his purpose with due knowledge of his place, time and ability.

Our society is run by insane people for insane objectives.

Bitterness is like cancer. It eats upon the host. But anger is like fire. It burns it all clean.

When I stand before God at the end of my life, I would hope that I would not have a single bit of talent left, and could say, 'I used everything you gave me'.

To live is not merely to breathe; it is to act; it is to make use of our organs, senses, faculties - of all those parts of ourselves which give us the feeling of existence

Never do anything when you are in a temper, for you will do everything wrong.

Only idiots refuse to change their minds.

Learning and wisdom are superfluities, the surface glitter merely, but it is the heart that is the seat of all power.

A man is literally what he thinks.

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

To do great things is difficult, but to command great things is more difficult.

Appearances often are deceiving.

Respect yourself if you would have others respect you.

When you judge another, you do not define them, you define yourself.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

Nothing is so strong as gentleness, nothing so gentle as real strength

We thought that we had the answers, it was the questions we had wrong.