Full Idea
When shown seven species of dialectic in the mowing argument, he asked the price, and when told 'a hundred drachmas', he gave two hundred, so devoted was he to learning.
Clarification
The mowing argument?
Gist of Idea
When shown seven versions of the mowing argument, he paid twice the asking price for them
Source
report of Zeno (Citium) (fragments/reports [c.294 BCE]) by Diogenes Laertius - Lives of Eminent Philosophers 07.Ze.20
Book Reference
Diogenes Laertius: 'Diogenes Laertius', ed/tr. Yonge,C.D. [Henry G. Bohn 1853], p.268
A Reaction
Wonderful. I have a watertight proof that pleasure is not the good, which I will auction on the internet.
Related Idea
Idea 13773 For the truth you need Prodicus's fifty-drachma course, not his one-drachma course [Socrates]