Art should be something like a good armchair in which to rest from physical fatigue.
There are flowers everywhere, for those who bother to look.
You must forget all your theories, all your ideas before the subject. What part of these is really your own will be expressed in your expression of the emotion awakened in you by the subject.
Seek for the boldest color possible, content is irrelevant.
An artist must not feel under any constraint.
Do remember that one line does nothing; it is only in relation to another that it creates a volume.