素描就是诚实。没有作弊的可能。画得好就是好，不好就是不好。
Drawing is honesty. There is no possibility of cheating. It is either good or bad.
In computer science, we often find that the simplest solutions are the most elegant.
我们必须在经济增长和环境管理之间取得平衡。
战争不会消灭正直，它反而更需要正直——比和平时期更需要。
The artist must be a prisoner of the infinite.