The tragedy of great power politics is that even well-intentioned states are forced to act in ways that can lead to conflict and war.
大国政治的悲剧在于，即使是善意的国家也被迫采取可能导致冲突和战争的行为。
"The world is a book, and those who do not travel read only one page."
现代农业的挑战需要与我们所在的气候一样动态的解决方案。
The art of doing mathematics consists in finding that special case which contains all the germs of generality.
一个组织的可持续性质量决定了其遗产的质量。
"La memoria es frágil, pero la literatura puede salvarla del olvido."