Liturgy zu Tehillim 31:24

On seeing that it is so, Edom's guardian angel will think that Botzrah is a refuge like Betzer.²⁹Betzer was one of the cities of refuge prescribed by the Torah. That an angel, like a man, is protected within it, and that the premeditated [killer] like the unpremeditated [killer] is held in the refuge.³⁰The Talmud (Makos 12a) says that the guardian angel of Esau will make three mistakes in fleeing to Botzrah. All three are enumerated in this stanza. “Love Adonoy, all His pious ones, the faithful ones whom He preserves.”³¹Psalms 31:24.

the faithful ones whom He preserves.”³¹Psalms 31:24.