He's walking around Red Square, he's on a sidewalk, and nobody knows who he is, "said the photographer."

“他在红场四下走动，走在人行道上，没有人知道他是谁。”这位摄影师说道。

youdao

If nobody knows who is strongest, whoever thinks he is the strongest might win by default.

如果没人知道谁是最强的，那么不论是谁认为自己最强，都会不战而胜。

youdao

That is wildly optimistic, but he says he knows of nobody who got anywhere by being pessimistic.

ECONOMIST: The return of the nationalists