It is still color, it is not yet light.
One always talks of surrendering to nature. There is also such a thing as surrendering to the picture.
You cannot possibly invent painting all by yourself.
The important thing is to remember what most impressed you and to put it on canvas as fast as possible.
I'm trying to do what I have never done - give the impression one has on entering a room: one sees everything and at the same time nothing.