Reference for Arakhin 30:27

אומר להם

Further did R'Hisda say in the name of Mar 'Ukba: Of him who slanders, the Holy One, blessed be He, says: He and I cannot live together in the world, as it is said: Whoso slandereth his neighbor in secret, hint will I destroy; whoso is haughty of eye and proud of heart, him will I not suffer.<span class="x" onmousemove="('comment',' Ps. CI, 5.');">²⁰</span>

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