世界
The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. )
The most incomprehensible thing about the world is that it is at all comprehensible.
Science is the torch that illuminates the world.
——2006年在西雅图市演讲
An eye for an eye will only make the whole world blind.
Our greatest ability as humans is not to change the world, but to change ourselves.