Mathematics is a way of thinking, not just a collection of facts.
Once we realize that imperfect understanding is the human condition, there is no shame in being wrong, only in failing to correct our mistakes.
世界并不是简单地分为好人和食死徒。
日本人是世界上最有礼貌的民族——也是最拘泥于细节的。
书籍可能是危险的。最好的书应该贴上“这可能会改变你的生活”的标签。