The art of progress is to preserve order amid change and to preserve change amid order.

Education which is not modern share the fate of all organic things which are kept too long.

The difference between ancients and moderns is that the ancients asked what have we experienced, and moderns asked what can we experience.

Human life is driven forward by its dim apprehension of notions too general for its existing language.

Inventive genius requires pleasurable mental activity as a condition for its vigorous exercise

It must be admitted that there is a degree of instability which is inconsistent with civilization. But, on the whole, the great ages have been unstable ages.

The misconception which has haunted philosophic literature throughout the centuries is the notion of 'independent existence.' There is no such mode of existence; every entity is to be understood in terms of the way it is interwoven with the rest of the universe.