Sharing a brusque, outdoor, spartan, tie-less appearance (though Alan remained faithful to his sports jacket, in contrast to the leather jacket worn by the philosopher), they were rather alike in this intensity and seriousness.
他们有着同样的粗鲁、随便、简单、不羁的外表，要说有什么区别，也就是艾伦喜欢运动夹克，而那位哲学家喜欢皮夹克。
Neither one could be defined by official positions (Wittgenstein, then fifty, had just been appointed Professor of Philosophy in succession to G.E. Moore), for they were unique individuals, creating their own mental worlds.
在对待问题的痴迷和严肃方面，他们也非常相像。维特根斯坦当时50岁，接替G.E.摩尔担任哲学教授。他们两个人都不能用世俗的标准来衡量，他们都是独特的人，活在自己创造的精神世界中。
They were both interested only in fundamental questions, although they went in different directions.
他们都只对最根本的问题感兴趣，尽管他们研究的方向不一样。
But Wittgenstein was much the more dramatic figure.
维特根斯坦是一个更加戏剧化的人物，
Born into the Austrian equivalent of the Carnegies, he had given away a family fortune, spent years in village school-teaching, and lived alone for a year in a Norwegian hut.
他生在一个巨富的奥地利家庭，但却放弃了家财，在一个农村教了几年书，还在一间挪威的小屋子里孤独地待了一年。
And even if Alan was a son of Empire, the Turing household had precious little in common with the Palais Wittgenstein.
尽管艾伦是大英帝国的儿子，但他的出身完全无法与维特根斯坦相提并论。
Wittgenstein wanted to ask about the relationship of mathematics to 'words of ordinary everyday language'.
维特根斯坦关心的问题，是数学与日常语言的关系。
What, for instance, did the chess-like 'proofs' of pure mathematics, have to do with 'proof' as in 'The proof of Lewy's guilt is that he was at the scene of his crime with a pistol in his hand'?
比如说，纯数学的证明过程，与"里维的犯罪证据就是他在犯罪现场而且手里拿着枪"这个证明过程有什么关系呢？
As Wittgenstein kept saying, the connection was never clear. Principia Mathematica only pushed the problem to another place:
《数学原理》只是把这个问题推到了另一个问题上：
it still required people to agree on what it meant to have 'a proof; it required people to agree what counting and recognising and symbols meant.
它需要人们直接接受什么是"一个证明"，它需要人们直接接受计数，识别以及符号的意义。