自由的代价比镇压的代价要低。
Courage is the power to overcome fear.
定义就是限制。
Nothing is lost, nothing is created, everything is transformed.
教育者必须是一位心理学家，以便理解儿童。
The only person you should try to be better than is the person you were yesterday.
也许我就是美国的混蛋
Technology should serve people, not the other way around.