Painting is easy when you don't know how, but very difficult when you do.
If painting weren't so difficult, it wouldn't be fun.
For those who don't know what they are doing, painting is easy. For those who do know what they are doing, painting is difficult.
The air we see in the paintings of the old masters is never the air we breathe.
The frame is the pimp of painting; it enhances it, but it must never shine at the painting's expense.