The power of a system comes from its ability to compose and decompose representations.
全球饥饿问题不能仅靠慈善解决,它需要系统性变革。
用心不能杂乱,杂乱则心神恍惚不能集中;用心不要劳累,劳累则精神疲倦不能有所收获。
The world is full of obvious things which nobody by any chance ever observes.