I ... thou (egw ... su). Jesus repeats the pronouns used by Peter in similar contrast. Not now (ouk arti). Just now arti means ( 1 Peter 9:19 1 Peter 9:25 ). Used again by Jesus (verse 1 Peter 13:33 ) and Peter (verse 1 Peter 37 ). But thou shalt understand hereafter (gnwsh de meta tauta). Future middle of ginwskw (instead of the verb oida) to know by experience. "Thou shalt learn after these things," even if slowly.