A young man who is unable to commit a folly is already an old man.
It is the eye of ignorance that assigns a fixed and unchangeable color to every object; beware of this stumbling block.
Life is hardly more than a fraction of a second. Such a little time to prepare oneself for eternity!
It is better to paint from memory, for thus your work will be your own.
Life has no meaning unless one lives it with a will, at least to the limit of one's will.
Concentrate your strengths against your competitor's relative weaknesses.
In order to produce something new, you have to return to the original source, to the childhood of mankind.
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.
There is always a heavy demand for fresh mediocrity. In every generation the least cultivated taste has the largest appetite.
The public wants to understand and learn in a single day, a single minute, what the artist has spent years learning.
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.
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.
We never really know what stupidity is until we have experimented on ourselves.
Art requires philosophy, just as philosophy requires art. Otherwise, what would become of beauty?