Boredom and fatigue are great historical forces.

A man who has both feet planted firmly in the air can be safely called a liberal as opposed to the conservative, who has both feet firmly planted in his mouth.

Great cultural changes begin in affectation and end in routine.

Education in the United States is a passion and a paradox. Millions want it, and commend it, and are busy about it. At the same time they degrade it by trying to get it free of charge and free of work.

In a large university, there are as many deans and executive heads as there are schools and departments. Their relations to one another are intricate and periodic; in fact, "galaxy" is too loose a term: it is a planetarium of deans with the President of the University as a central sun. One can see eclipses, inner systems, and oppositions.

You never step in the same river of thought twice, because neither you nor it are the same.

It is not clear to anyone, least of all the practitioners, how science and technology in their headlong course do or should influence ethics and law, education and government, art and social philosophy, religion and the life of the affections. Yet science is an all-pervasive energy, for it is at once a mode of thought, a source of strong emotion, and a faith as fanatical as any in history.