Gregory the Dialogist

For He knoweth their works, and therefore will He bring night on them, and they shall be crushed. It is specially to be understood, that every sinner is, in two ways, crushed in the night; either when he is struck by the suffering of punishment from without, or when he is blinded by a secret sentence within. He falls at night, when he loses for ever the light of life, by the last judgment. Whence it is written, Bind him hands and feet, and send him into outer darkness. [Matt. …

Morals on the Book of Job, Book XXV ↗

Thomas Aquinas

Usually when many must be punished the judges cannot examine the cases of each one with great care. Lest this be believed about God, he says, "for he knows their works," what each one deserves. Therefore, he gives to each one according to his works, and so he says, "for that reason he will bring about the night," that is, sudden and unexpected adversity, "and they will be destroyed," unexpectedly.

Commentary on Job ↗