数学不是一项观赏性运动。你必须参与其中。
Mathematics is not a spectator sport. You have to get involved.
永远不要在电话中回应恳求或提议。迫切性是一种伪装。
富足不是我们获得的东西。它是我们调谐到的东西。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
气候变化不是遥远的威胁,它正在重塑我们今天的森林。