"Memory is a complicated thing, a relative to truth, but not its twin."

过去半个世纪最重要的政治发展是自由民主在世界范围内的传播。

Melody is the essence of music.

释义：阿那克西米尼可能将冷和热看作是气疏密变化的表现，气被压缩则变冷，气被稀释则变热。

名誉是一件无聊的骗人的东西；得到它的人未必有什么功德，失去它的人也未必有什么过失。

A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.

The progress of aquaculture cannot be separated from the support of scientific research.

钱财像粪土一样轻贱，仁义像千锭金银一样贵重。