One morning, one of us ran out of the black, it was the birth of Impressionism.
One must from time to time attempt things that are beyond one's capacity.
Go and see what others have produced, but never copy anything except nature. You would be trying to enter into a temperament that is not yours and nothing that you would do would have any character.
The simplest subjects are the immortal ones.
You come to nature with all her theories, and she knocks them all flat.
And if out of a million visitors there is even one to whom art means something, that is enough to justify museums.