When we can't talk about something, it becomes dangerous.
(道德高尚的人)明察安危,安于祸福,谨慎地对待去留,就没有什么能够伤害他们。
最优秀的科学家是那些在自然的复杂性面前保持谦逊的人。
"Writing is a way of talking without being interrupted."