Exodus 13:6-8

Matthew(i) 6 Seuen dayes thou shalt eate swete brede: & the .vij. day shal be feastfull vnto the Lorde. 7 Therfore thou shalt eate swete bread seuen dayes, & se that there be no leuended bread sene nor yet leuen among you in al your quarters. 8 And thou shalt shewe thy sonne at the tyme saying: this is done, because of that whiche the Lord did vnto me when I came out of Egypt.