教师必须相信学生的潜力。
The teacher must believe in the potential of his students.
自由的代价是永恒的警惕。
结构化程序设计支持被排除中间语言的法律。
The historian is a prophet looking backwards.
Man finds himself only in action.
难道你看不出一个充满痛苦与烦恼的世界对于磨练智慧、造就灵魂是多么必要吗?