A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.
数学中最深刻的思想往往来自最简单的问题。
"The challenge of biography is not just to record, but to illuminate."
God expects but one thing of you, and that is that you should come out of yourself in so far as you are a created being made and let God be God in you.