The world's great men have not commonly been great scholars, nor its great scholars great men.

The world's great men have not commonly been great scholars, nor its great scholars great men.

世界上的伟人通常不是伟大的学者，也不是其伟大的学者伟大的人物。

-- Oliver Wendell Holmes, Sr. 奥利弗·温德尔·霍姆斯，老。