The most enduring changes come from understanding the root causes of problems, not just their symptoms.
农业的未来在于尊重环境和人类需求的可持续实践。
The past is a foreign country; they do things differently there.
My expectations were reduced to zero when I was 21. Everything since then has been a bonus.
理解计算的极限与理解其可能性同样重要。