The secret source of Longfellow's humor is not joy but sorrow. There is no humor in heaven.
朗费罗幽默的秘密源泉并不是欢乐而是悲伤。天堂里没有幽默。
现代密码学的挑战不仅是确保通信安全,而且要以既高效又可扩展的方式实现。
If you want something you've never had, you must be willing to do something you've never done.
【译文】 孔子说:“年轻人值得敬佩,怎知后代不如今人?四五十岁还默默无闻的人,就没什么前程了。”
Precision in experimentation is as important as creativity in hypothesis.