Browse Quotes

The interpretation of dreams is the royal road to a knowledge of the unconscious activities of the mind.

The very first requirement in a hospital is that it should do the sick no harm.

The deviation of man from the state in which he was originally placed by nature seems to have proved to him a prolific source of diseases.

I profess to learn and to teach anatomy not from books but from dissections, not from the tenets of philosophers but from the fabric of nature.

I am not afraid to confess that I have made mistakes, and that I have often been deceived by the writings of others.

The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes.

The best physician is also a philosopher.

Walking is man's best medicine.

It is not necessary to be a horse to be a jockey.

Have I done the world good, or have I added a menace?

The principle of the hydraulic organ is that air, forced through pipes of different lengths, will produce different musical notes.

I am not, I think, a man of very strong prejudices, but I confess I have a strong prejudice against the word 'impossible'.

I have learned to use the word 'impossible' with the greatest caution.

Concentrate all your thoughts upon the work in hand. The sun's rays do not burn until brought to a focus.

I can think of nothing else but this machine.

Science is the captain, and practice the soldiers.

Genius is one percent inspiration and ninety-nine percent perspiration.

The best way to predict the future is to invent it.

The study of intelligence is the study of how to make machines do what minds do.

The mind is a terrible thing to waste, but a wonderful thing to build.