The quest to unify the fundamental forces of nature is one of the greatest challenges in modern physics.
译文：借鉴前代兴衰，考察当下得失。《通鉴》的写作宗旨，直指现实关怀。
Science is not only a discipline of reason but also one of romance and passion.
Power is not a means; it is an end. One does not establish a dictatorship in order to safeguard a revolution; one makes the revolution in order to establish the dictatorship.
盖亚的概念不是一个需要验证的假设，而是一种组织事实的方式。
The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.