If you see a tree as blue, then make it blue.
I am a great artist and I know it, it is because I am that I have been able to endure so much suffering.
Concentrate your strengths against your competitor's relative weaknesses.
A critic in my house sees some paintings. Greatly perturbed, he asks for my drawings. My drawings? Never! They are my letters, my secrets.
Art is either a plagiarist or a revolutionist.
Take care not to step on the foot of a learned idiot. His bite is incurable.