在美国做一个黑人就是处于一种持续的愤怒状态。
To be a writer is to have a certain kind of sensitivity to the world, to be able to see what others do not see, to hear what others do not hear.
The greatest reward is not the medals or the records, but the journey itself.
地球形状的问题本质上是引力和旋转共同作用下的平衡问题。
不修养品德,不讲习学问,听到正义不能追随,有缺点不能改正,这些都是我所忧虑的。
天文学的历史是一部视野不断退却的历史。
解决问题是在可能的解决方案空间中搜索。
The most important skill for the future is the ability to learn.