The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
数学家研究纯数学不是因为它有用;他研究它是因为他喜欢它,他喜欢它是因为它美丽。
如果你不愿意冒险尝试不寻常的事情,你就只能安于平庸。
最好的决策是结合数据和同理心做出的。
Never invest in any idea you can't illustrate with a crayon.