Every drop of oil saved through innovation is a step toward a cleaner future.
文学不是一场道德选美比赛。它的力量来自声音的权威，而非灵魂的纯洁。
The first duty of a man is to think for himself.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
The world is full of obvious things which nobody by any chance ever observes.