应对不自由世界的唯一方法是变得如此绝对自由,以至于你的存在本身就是一种反抗。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
海洋养育了数十亿人,我们有责任确保它能继续这样做。
拓扑学是对图形在任何变形下保持不变的性质的研究。