You have first to experience what you want to express.
I myself am quite absorbed by the delicate yellow, delicate soft green, delicate violet of a ploughed and weeded piece of soil.
As we advance in life it becomes more and more difficult, but in fighting the difficulties the inmost strength of the heart is developed.
Whatever plan one makes, there is a hidden difficulty somewhere.
Paintings have a life of their own that derives from the painter's soul.
As practice makes perfect, I cannot but make progress; each drawing one makes, each study one paints, is a step forward.