A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.
我感觉有些男人在到达一定年纪后就害怕成长了。好像男人年纪越大,他们新娶的妻子年龄就越小了。
人生就像骑单车。想保持平衡就得往前走。
没有道德的效率只是在错误方向上的速度。