总体来说，他经常怀疑他自己的思想是不是在进化，他几乎不能相信这样的事实，总之，他是如此的复杂的难以琢磨的一个人以至于针对他的各种争论不会消失。

And, to top it all, he often doubted whether, his mind being evolved, he could even trust it in such matters. All in all, he was too complex, too subtle a man to be left to the polemicists.

youdao

只有学习才能使一个人永远不会被耗尽，被疏远，被折磨，永远不会恐惧或怀疑，甚至从未想过要后悔。

That is the only thing which the mind can never exhaust, never alienate, never be tortured by, never fear or distrust, and never dream of regretting.

youdao

也许正是由于吸引力如此强劲，有些人怀疑，欧元的走强会不会抑制欧洲的出口，降低经济增长的步伐，从而最终劝阻欧洲央行的加息举动。

So attractive, perhaps, that some wonder whether its rise could clobber Europe's exports, slow its economy and persuade the ECB not to raise rates after all.

youdao