It is more important that a proposition be interesting than that it be true.

The way in which the persecution of Galileo has been remembered is a tribute to the quiet commencement of the most intimate change in outlook which the human race had yet encountered. Since a babe was born in a manger, it may be doubted whether so great a thing has happened with so little stir

The ultimate metaphysical ground is the creative advance into novelty.

Fertilization of the soul is the reason for the necessity of art.

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.

Do not teach too many subjects and what you teach, teach thoroughly.

The real history does not get written, because it is not in people's brains but in their nerves and vitals.