A mathematician's work is mostly a solitary pursuit, but it builds on the work of many others.
数学家的工作大多是孤独的追求,但它建立在许多其他人的工作之上。
成人必须给幼儿提供活动的空间。
可持续性不是一种选择——它是我们对后代的责任。
I have realized that fighting for women's rights has too often become synonymous with man-hating. This has to stop.
I am not the richest person, but I am the happiest person.