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.
Quality is not just a goal, it is a journey.
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。