Challenges are what make life interesting; overcoming them is what makes life meaningful.
我相信人类不仅会生存下去,他终将胜利。他是不朽的,不是因为他在生物中拥有永不枯竭的声音,而是因为他有灵魂,有能够同情、牺牲和忍耐的精神。
The Government of the United States is a definite Government, confined to specified objects. It is not like the state governments, whose powers are more general.
定义就是限制。
教育的目的不是使年轻人在任何一门科学上都变得完美,而是要打开和培养他们的思维,使他们在将来学习任何科学时都能胜任。