The Lives and Opinions of Eminent Philosophers

Diet and Exercise as a Metaphor for Knowledge

Those who eat most, and who take the most exercise, are not in better health than they who eat just as much as is good for them; and in the same way it is not those who know a great many things, but they who know what is useful who are valuable men.

Sep 9, 2011 1

• exercise
• knowledge
• metaphor