One must open men's eyes, not tear them out.

To build a city where it is impossible to build a city is madness in itself, but to build there one of the most elegant and grandest of cities is the madness of genius.

If nations always moved from one set of furnished rooms to another -- and always into a better set -- things might be easier, but the trouble is that there is no one to prepare the new rooms. The future is worse than the ocean -- there is nothing there. It will be what men and circumstances make it.

We have wasted our spirit in the regions of the abstract and general just as the monks let it wither in the world of prayer and contemplation.

It seems to me that you are solving a problem which goes beyond the limits of physiology in too simple a way. Physiology has realized its problem with fortitude, breaking man down into endless actions and counteractions and reducing him to a crossing, a vortex of reflex acts. Let it now permit sociology to restore him as a whole. Sociology will wrest man from the anatomical theatre and return him to history.

History is the autobiography of a madman.

Life has taught me to think, but thinking has not taught me to live.