教育者的心必须是一团活生生的火焰，是温暖和光明的源泉。
The heart of the educator must be a living flame, a source of warmth and light.
If you don't know where you are going, any road will get you there.
译文：贫困时的朋友不能遗忘，共患难的妻子不能抛弃。体现对情义与责任的坚守。
数学是为数学家而写的。
它是大地的泪点，使她的微笑保持着青春不谢。
You must be the change you wish to see in the world.
The human body is the best picture of the human soul.