Full Idea
Logos is not unconditionally good, but good contingent on there being some other person (out there) who is willing to talk with logos, to approach it even as an opponent.
Clarification
'Logos' is the broad Greek concept of human reasoning
Gist of Idea
Logos is not unconditionally good, but good if there is another person willing to engage with it
Source
David Roochnik (The Tragedy of Reason [1990], p.175)
Book Reference
Roochnik,David: 'The Tragedy of Reason: the Platonic logos' [Routledge 1990], p.175