A teacher must have a healthy body, the skills of a farmer, the mind of a scientist, the interest in art, and the spirit of social reform.
The power of science lies in its universality and selflessness, transcending the boundaries of nations and cultures.
科学的整个历史是一个渐进的自我实现的历程,重大的事件不会任意发生,但是他们反映了一种潜在的次序,而不会简单地由灵感产生。
但是,大人们永远也不会了解这件事有多么重要!
In mathematics, truth is always relative to the system you're working in.