From Japan Window:

Earlier this century, there was a correspondence in The Times newspaper of London on this topic of what is wrong with the world. Various famous and learned writers voiced their opinions. But the last letter was also the shortest, and it brought the correspondence to an end. It was from G.K.Chesterton, the Catholic journalist. His letter simply said:

"Dear Sir:
What is wrong with the world? I am.
Yours sincerely,
G.K.Chesterton"