在数学中，提出问题的艺术必须比解决问题更有价值。

"Books are a way to explore the world, to understand different perspectives, and to develop empathy."

Trust doesn’t mean that you trust that someone won’t screw up—it means you trust them even when they do screw up.

每个独裁政权都从摧毁语言开始。

反馈是鲁棒控制系统的关键。