对感受者来说，世界是悲剧；对思考者来说，世界是喜剧。
"The world is a tragedy to those who feel, but a comedy to those who think."
Simple things often evoke the strongest emotions.
The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.
Sustainable quarrying means listening to the land as intently as we listen to shareholders.
要在传统和偏见的水平之上飞翔的鸟必须有强壮的翅膀。看到这些软弱的人受伤、疲惫、飘动着回到地球上，真是令人伤心。
The art of government is the organization of idolatry.