科幻小说是世界历史上最重要的文学,因为它是思想的历史,是我们文明自我诞生的历史。
如果人类不能在我有生之年登陆火星,我将会非常失望。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
I think the best thing you can do is to be kind to yourself and to others.