In the case of various kinds of knowledge, we find that what in former days occupied the energies of men of mature mental ability sinks to the level of information, exercises, and even pastimes for children; and in this educational progress we can see the history of the world's culture delineated in faint outline.

We learn from history that man can never learn anything from history.

We learn from history that we do not learn from history

Life has value only when it has something valuable as its object.

The more certain our knowledge the less we know.

World history is a court of judgment.

Philosophy is by its nature something esoteric, neither made for the mob nor capable of being prepared for the mob.