Gregory the Dialogist

Now a hidden word was spoken to me. For the invisible Son is called 'the hidden Word,' concerning Whom John saith, In the beginning was the Word. Which he the same person teaches to be 'hidden' in that he adds, and the Word was with God, and the Word was God. But this 'hidden Word' is delivered to the minds of the Elect, when the power of the Only-Begotten Son is made manifest to believers. …

Morals on the Book of Job, Book V ↗

Thomas Aquinas

Because Eliphaz had accepted that adversities in this life only happened to someone because of his sin, he wanted from this to accuse Job and his family of being subject to sin. As exactly the contrary was clearly the case for Job and his family, he wanted to show that neither Job nor his family was immune from sin. Since his opinion seemed to be weak because of the authority of Job and his reputation, he referred to a higher authority showing he is about to propose he has learned from revelation. …

Commentary on Job ↗