It is similar in English. It is a quote by Desiderius Erasmus:
Ref. Cambridge dictionary
in the country of the blind, the one-eyed man is king.
idiom UK saying.
said about a difficult situation in which someone with only a few skills is in a better position and more successful than those people who have none.
More Explanation.
What does this mean? An average player in a poor team would be the greatest player on that team.
A person with ordinary intelligence among a gathering of idiots is a genius in contrast.
The point is that you don't necessarily need to be exceptional to succeed. If the competition is poor enough, a mediocre person can win.