To see what is general in what is particular, and what is permanent in what is transitory, is the aim of scientific thought.

Art flourishes where there is a sense of adventure, a sense of nothing having been done before, of complete freedom to experiment.

So far as the mere imparting of information is concerned, no university has had any justification for existence since the popularization of printing in the fifteenth century.

In the study of ideas, it is necessary to remember that insistence on hard-headed clarity issues from sentimental feeling, as it were a mist, cloaking the perplexities of fact. Insistence on clarity at all costs is based on sheer superstition as to the mode in which human intelligence functions. Our reasonings grasp at straws for premises and float on gossamers for deductions.

There are no whole truths: All truths are half-truths.

I have always noticed that deeply and truly religious persons are fond of a joke, and I am suspicious of those who aren't.

In every age of well-marked transition, there is the pattern of habitual dumb practice and emotion which is passing and there is oncoming a new complex of habit.