friction
From LSJ
περὶ οὐδὲν γὰρ οὕτως ὑπάρχει τῶν ἀνθρωπίνων ἔργων βεβαιότης ὡς περὶ τὰς ἐνεργείας τὰς κατ' ἀρετήν → since none of man's functions possess the quality of permanence so fully as the activities in conformity with virtue
περὶ οὐδὲν γὰρ οὕτως ὑπάρχει τῶν ἀνθρωπίνων ἔργων βεβαιότης ὡς περὶ τὰς ἐνεργείας τὰς κατ' ἀρετήν → since none of man's functions possess the quality of permanence so fully as the activities in conformity with virtue
subs.
P. τρῖψις, ἡ. Met., quarrel: P. and V. διαφορά, ἡ; see quarrel. Reflect that the city will fall a prey to internal friction: P. νομίσατε . . . τὴν πόλιν . . . τρίψεσθαι αὐτὴν περὶ αὑτήν (Thuc. 6, 18).
