children with his own personality, his own creative beauty and dignity. This kind of beauty and dignity is never forgotten, so his pure and sensitive heart we need to care for the most prudent.
儿童有着他自己的人格，他自身具有创造精神的美和尊严。这种美和尊严是永远不能磨灭的，所以他的纯洁而非常敏感的心灵需要我们最审慎的爱护。
自然将人类置于两位至高无上的主人——痛苦和快乐的统治之下。
设计中最难的部分是保持功能的简洁。
The meat processing industry must balance efficiency with sustainability—our future depends on it.
Every lump of coal we mine keeps the lights on in someone's home.
做数学就是探索一个思想的宇宙，唯一的限制是你的想象力。