Pride relates more to our opinion of ourselves, vanity to what we would have others think of us.
数学不是沿着一条清理得很好的高速公路小心行进,而是一次进入陌生荒野的旅程,探险者常常会迷路。
没有人喜欢孤独,只是不想勉强交朋友,要真那么做的话,恐怕只会失望而已。