A good world needs knowledge， kindliness， and courage； it does not need a regretful hankering after the past or a fettering of the free intelligence by the words uttered long ago by ignorant men.
一个良好的世界需要知识、善良和勇气；它不需要对过去的后悔，也不需要被无知之人长时间前说过的话所束缚的自由智慧。
Science is the backbone of our industry, but compassion is its soul.
The only way to do great work is to love what you do.
Never think that war, no matter how necessary, nor how justified, is not a crime.
解释：了解古代不了解现在，称为愚昧无知，那么儒生就只能称作愚昧无知的人了。