Racial prejudices are indication of a disturbed and potentially unstable society.

Only the bad artists of the nineteenth century were frightened by the invention of photography; the good ones all welcomed it and used it.

However much the various phases of the French Revolution may have modelled themselves on Roman history the early phase on Republican virtue, the later on Imperial grandeur the fact remains that classicism depended on a fixed and rational philosophy; whereas the spirit of the Revolution was one of change and of emotion.

Fine colour implies a unified relationship, in which each part is subordinate to the whole, and the transitions between them are felt to be as precious and beautiful as the colours themselves. In fact, the colours themselves must be continuously modified and broken as part of the transition.

Changes in the structure of society are not brought about solely by massive engines of doctrine. The first flash of insight which persuades human beings to change their basic assumptions is usually contained in a few phrases.

I just don't think the moon is going to be an adequate substitute for the fact that we haven't addressed ourselves to clearing up the slums.

Evidently one cannot look for long at the Last Supper without ceasing to study it as a composition, and beginning to speak of it as a drama. It is the most literary of all great pictures, one of the few of which the effect may largely be conveyed - can even be enhanced - by description.