艺术家必须学会观察、感受和思考。
The artist must learn to see, to observe, to feel, and to think.
如果你不固执，就会过早放弃试验。如果你不灵活，就会头撞南墙，而无法另辟蹊径解决当下难题。
The man who does not read has no advantage over the man who cannot read.
除非在动笔前脑中已有画面，否则称不上艺术家。