在人类社会的初期,每个人都是自私自利的。
The Neanderthals are not extinct; they live on in us.
当实验证明最吸引人的想法是错误时,你必须准备好放弃它们。
The novel is the one bright book of life.
In science, the most exciting phrase to hear is not 'Eureka!' but 'That's funny...'
法律与道德的分离是法律体系存在的必要条件。