The first thing you see is the last thing you do.
A painting is a collection of a series of corrections.
It's not what you paint. It's how you paint it. You don't have to paint elaborate things. Paint simple things as beautifully as you can.
Gray is the queen of colors, because she makes everyone else look good.
It is in the contrast of light and dark that design happens.
If it's all wrong, it's all right.