你必须完整才能快乐。
Freedom of men under government is to have a standing rule to live by, common to everyone, and not to be subject to the inconstant, uncertain, arbitrary will of another man.
In the vastness of the cosmos, we are but a speck, yet our curiosity knows no bounds.
没有伦理的科学就像没有指南针的船。
文章的难以精工,就像器物的难以制成一样。