格瓦拉第二次漫游南美前对母亲说
The only way to do great work is to love what you do.
为了成为一名好老师,教育者必须是一位心理学家。
A program that has not been tested does not work.
A vision without action is merely a dream.
量子力学的发展表明,经典的空间和时间概念不足以描述原子世界。