But Her unity is through the vowel point shureq וּ, which is Yesod – the ‘life-force of the worlds’∞ḥaiy’almin, the ‘ḥaiy ’ (life, =18) blessings of prayer.
When They are in singular unity, Israel needs to rise in prayer, silently, and the mystery of the matter: ‘Bring it to her in silence.’xxxviiBT Pesaḥim 56a
And because of this, when Israel stand in the ‘standing’ prayer, to arouse towards Her the 18∞life∞ḥaiy blessings in silence, to pour-out blessings for Her, it is stated of the angelic beings∞ḥayot: (Ez. 1:24)... when they stand, they let down their wings. For their wings [Var. voice] should not be heard, like the case of Hannah, of whom it is stated: (1 Sam. 1:13)... and her voice could not be heard...