"It is a little bit humiliating when I have to say that Chou En-lai to me appears as the most superior brain I have so far met in the field of foreign politics...[He is] so much more dangerous than you imagine because he is so much better a man than you have ever admitted."
January 1, 1970
https://en.wikiquote.org/wiki/Dag_Hammarskj%C3%B6ld