But at night, which is exile, when She is without Her Master, and She is a domain (reshut) unto Herself, it is stated of Her:xviiMishnah Avot 1:10 ‘Do not become known to the authorities (reshut)’. And therefore, did David say: (Ps. 132:4–5) I will not give sleep to my eyes... etc... Until I find a place for Y”Y.
Until here is the mystery of qametz ָ, which is the mystery of higher and lower Thought [Var. high and low], which is ‘the point in the domain of Her Master’, Who is ו Vav – the firmament.
And a pataḥ ַ, which is without a point, is a domain unto itself, and a point without a pataḥ, is a domain unto itself.