True science is never speculative; it employs hypotheses as suggesting points for inquiry, but it never adopts the hypotheses as though they were demonstrated propositions.
There is science, logic, reason; there is thought verified by experience. And then there is California.
That which today calls itself science gives us more and more information, and indigestible glut of information, and less and less understanding.
The science of politics is the one science that is deposited by the streams of history, like the grains of gold in the sand of a river; and the knowledge of the past, the record of truths revealed by experience, is eminently practical, as an instrument of action and a power that goes to making the future.
There are worlds of experience beyond the world of the aggressive man, beyond history, and beyond science. The moods and qualities of nature and the revelations of great art are equally difficult to define; we can grasp them only in the depths of our perceptive spirit.
Some day science may have the existence of mankind in power, and the human race can commit suicide by blowing up the world.
Nothing in education is so astonishing as the amount of ignorance it accumulates in the form of inert facts.
The proper study of mankind is woman.
The radical novelty of modern science lies precisely in the rejection of the belief, which is at the heart of all popular religion, that the forces which move the stars and atoms are contingent upon the preferences of the human heart.
The science of the mind can only have for its proper goal the understanding of human nature by every human being, and through its use, brings peace to every human soul.
It is not so for art in appreciation because art is concerned with human behavior. And science is concerned with the behavior of metal or energy. It depends on what the fashion is. Now today it's energy. It's the same soul behind it. The same soul, you see.
Ah, the creative process is the same secret in science as it is in art. They are all the same absolutely.
When I investigate and when I discover that the forces of the heavens and the planets are within ourselves, then truly I seem to be living among the gods.
Leon Battista Alberti
Science fiction is no more written for scientists that ghost stories are written for ghosts.
Psychology is the science of the act of experiencing, and deals with the whole system of such acts as they make up mental life.