Gregory the Dialogist

Thou shalt also forget thy misery, and no more remember it, as waters that pass away. The mind feels the ills of the present life the more severely, in proportion as it neglects to take account of the good that comes after; and as it will not consider the rewards that are in store, it reckons all to be grievous that it undergoes; and hence the blinded imagination murmurs against the stroke of the scourge, and that is taken for an immeasurable woe, which by the days flowing on in their course is daily being brought to an end. …

Morals on the Book of Job, Book X ↗

Thomas Aquinas

Because sometimes although he does not fear the future, a man is still afflicted about those things which he has lost or has suffered. He continues, "Your misery also," which you have suffered till now, "you will forget" because of the superabundance of the goods coming to you. …

Commentary on Job ↗