Alfred North Whitehead

"Ideas won't keep. Something must be done about them."

"Peace is self-control at its highest level."

"The greatest invention of the nineteenth century was the invention of the method of invention."

"Technological progress has merely provided us with more efficient means for going backwards."

"The human spirit has always advanced through the ages of invention, discovery, and creation."

"It is a false dichotomy to say that a man must choose between his family and his career."

"Religion is what the individual does with his own solitariness."

"Success is not final, failure is not fatal."

"The paradox of education is precisely this—that as one begins to become conscious one begins to examine the society in which he is being educated."

"Strength is the only thing that understands strength."

"For every expert, there is an equal and opposite expert."

"Thought is abstract; language is concrete."

"Understanding keeps company with wonder."

"Nature is not occult. Nature is obvious."

"Action is the life of all, and if thou dost not act, thou dost nothing."

"The task of a university is the creation of the future, so far as rational thought and civilized modes of appreciation can affect the issue."

"A great society is not preserved by men of law, nor by men of learning, but by men of wisdom."

"Errors are the portals of discovery."

"Almost everything of importance has been rejected by somebody."

"The security of society lies not in the elimination of passion but in its ordered and constructive expression."

"Nature is cruel, and we are cruel; all life is cruel."

"The general conceptions introduced for the purposes of intercourse between members of a community exercise a unifying influence upon human thought."

"Consciousness is not analysable into constituents."

"The tragedy of the world is that those who are imaginative have but slight experience, and those who are experienced have feeble imaginations."

"The notion of immortality is the essential bias of civilization."

"Speculative philosophy is the endeavor to frame a coherent, logical, necessary system of general ideas."

"Abstract thought is the privilege of those moments in which we are comparatively free from the binding necessities of the immediate situation."

"The most important human endeavor is the striving for morality in our actions."

"Advance or Decadence are the only choices offered to mankind."

"The deepest principle of human conduct is the craving to be appreciated."