To talk about painting is not only difficult but perhaps pointless too.
A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.
"A story should have a beginning, a middle, and an end—but not necessarily in that order."
有时我们为某些事感到悲伤,却不愿告诉别人。我们想保守这个秘密。或者有时我们感到悲伤,却真的不知道为什么悲伤,于是我们说我们不悲伤,但实际上我们是悲伤的。