At that time: the mystery of the Mishnah will be fulfilled, which says:lxviMishnah Pesaḥim 1:4 ‘One may eat the whole of the four hours, and keep it in suspense all the fifth...’ – which is ‘the fifth millennium’ – ‘... and burn it at the beginning of the sixth hour’, – which is ‘the sixth millennium’.
And in order that they not separate between ‘the six’ (shesh), which is the Middle Pillar, and ‘the seven’, which is its coupling partner, one needs to destroy the yeast and the leaven, which are the mixed multitude, for they must not be seen, between six – which is Vav (=6) ו – and seven, of which it is stated: (Ps. 119:164) Seven times in the day I praise you...