The auditory perception is not sufficient for our knowledge of the world; it does not have vastness.

Direct observation of the luminous essence of nature is for me indispensable.

I am very much afraid of definitions, and yet one is almost forced to make them. One must take care, too, not to be inhibited by them.

Impressionism; it is the birth of Light in painting.

On the other hand, the artist has much to do in the realm of color construction, which is so little explored and so obscure, and hardly dates back any farther than to the beginning of Impressionism.