Life has no meaning unless one lives it with a will, at least to the limit of one's will. Virtue, good, evil are nothing but words, unless one takes them apart in order to build something with them; they do not win their true meaning until one knows how to apply them.

It is the eye of ignorance that assigns a fixed and unchangeable color to every object; beware of this stumbling block.

In art, all who have done something other than their predecessors have merited the epithet of revolutionary; and it is they alone who are masters.

Stressing output is the key to improving productivity, while looking to increase activity can result in just the opposite.

The history of modern art is also the history of the progressive loss of art's audience. Art has increasingly become the concern of the artist and the bafflement of the public.