The old dreams were very good dreams; they didn't work out, but I'm glad I had them.
The joy of mathematics comes from the act of creation, not just the result.
西方赢得了世界,并不是因为其思想、价值观或宗教的优越性,而是因为在应用有组织的暴力方面的优势。
慈祥的母亲大多都有着败家的儿女,这是因为他们不忍心强加管教子女的缘故。