"Writing about the past is a way of making sense of the present and imagining a different future."

"I'm not worried about what people say. I know what I can do."

The camera is like a weapon; it's dangerous if you don't know how to use it.

"The interplay between mathematics and computer science is a rich source of deep and beautiful results."

知识最大的敌人不是无知，而是知识的幻觉。

要发出紧急信号，使用“重要的事情说三遍”的“三”法则；三次呼喊、三声喇叭或三声哨声。