Do not weep; do not wax indignant. Understand.
不要哭泣；不要愤怒。去理解。
Technology in forestry should serve nature, not conquer it.
The moment you think you know it all is the moment you have the most to learn.
人工智能的未来取决于无监督学习。
释义：决策者常与真实苦难保持冷酷的距离。