ἡ γὰρ σιωπὴ μαρτυρεῖ τὸ μὴ θέλειν → silence is evidence of unwillingness (Menander)
claim for oneself: Ar. and P. προσποιεῖσθαι (acc. or gen.), P. ἀντιποιεῖσθαι (gen.).