Mathematician Bertrand Russell once said, " The fundamental cause of the trouble is that in the modern world, the stupid are cocksure while the intelligent are full of doubt."

“问题的根本原因是，在现代社会，愚蠢的人自信满满，而聪明的人充满怀疑。”

" Well, well, I am sure you think so, neighbour, " said the old man, " but I don't see why you should be so cocksure" .

“好吧，好吧，我相信你是这么想的，邻居，”老人说，“我不明白你为什么要这么自信。”

He's me, Jaime realized suddenly. I am speaking to myself, as I was, all cocksure arrogance and empty chivalry. This is what it does to you, to be too good too young.

他就是从前的我，詹姆突然意识到，有着我那自以为是的勇气和不切实际的神。我在和自己对话。年轻人，你唯一的问题就是太年轻。

It was this ambitious, cocksure, destiny-enraptured America that Polk was elected to lead.

正是这个雄心勃勃、自信满满、被命运迷住的美国, 波尔克被选为领导人。

As cocksure as I could be, she never gave ground.

尽管我自信满满, 她从未放弃。