想象就是一切，知识却什么都不是。

煤炭的未来取决于我们能否使其更清洁、更高效。

在危机时刻，真正的领导者不是通过寻求权力，而是通过服务他人来展现自己。

小说不是社会的镜子，而是一扇窥视人心的窗户。

"Man, unlike any other thing organic or inorganic in the universe, grows beyond his work, walks up the stairs of his concepts, emerges ahead of his accomplishments."

The past is not dead, it is not even past.

【大意】善于游泳的人容易被淹死，善于骑马的人容易摔下马来，正是因为他们的长处，反而自招祸难。

"Innocence always calls mutely for protection when we would be so much wiser to guard ourselves against it: innocence is like a dumb leper who has lost his bell, wandering the world, meaning no harm."

数学中最重要的是理解概念，而不仅仅是记忆公式。