The fascinating thing, is not to show the source of light, but the effect of light.
It requires courage to make a frontal attack on nature through the broad planes and the large lines and it is cowardly to do it by the facets and details. It is a battle.
Only when he no longer knows what he is doing does the painter do good things.
One does not marry art. One ravishes it.
Painting is easy when you don't know how, but very difficult when you do.
Make people's portraits in familiar and typical attitudes.