The spirit of science lies in constant questioning and exploration, keeping us forever curious about the world.

International politics is a brutal and unforgiving arena, where states constantly strive to maximize their power and security.

The more determinedly I exist, as myself, within the conditions of the time, the more clearly I shall hear the voice of the eternal.

There is only one good, which is knowledge, and one evil, which is ignorance.

绝不能为了速度而牺牲质量。