29. τινὲς γὰρ. The γάρ introduces a proof that they could not have understood. For γλωσσόκομον see on Joh 12:6. Εἱς τ. ἑορτήν agrees with Joh 13:1 in shewing that this meal precedes the Passover. For τ. πτωχοῖς comp. Joh 12:5; Neh 8:10; Neh 8:12; Gal 2:10. Note the change of construction from ἀγόρασον to ἵνα δῷ: comp. Joh 8:53, Joh 15:5.