A physicist must be able to imagine.
物理学家必须能够想象。
世界文明的命运取决于为全人类提供体面的生活水平。
The magic number 150 suggests that the size of our social networks is limited by the size of our brains.
你爱一个人不是"因为",而是"尽管";不是爱其优点,而是包容其缺点。