Each according to his own way of seeing things, seek one goal, that is gratification.

Knowledge of the world demands more than just seeing the world. One must know what to look for in foreign countries.

The existence of the Bible, as a book for the people, is the greatest benefit which the human race has ever experienced. Every attempt to belittle it is a crime against humanity.

The greatest human quest is to know what one must do in order to become a human being.

So act that your principle of action might safely be made a law for the whole world.

It’s not God’s will merely that we should be happy, but that we should make ourselves happy.

One is not rich by what one owns, but more by what one is able to do without with dignity.

Science is organized knowledge. Wisdom is organized life.

After death the soul possesses self-consciousness, otherwise, it would be the subject of spiritual death, which has already been disproved. With this self-consciousness necessarily remains personality and the consciousness of personal identity.

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

From such crooked wood as that which man is made of, nothing straight can be fashioned.

There is, therefore, only one categorical imperative. It is: Act only according to that maxim by which you can at the same time will that it should become a universal law.