Augustine of Hippo

What about hope? Will that be there [i.e., in heaven]? Hope will not continue when the thing hoped for is there. Certainly hope is very necessary for us in our exile. It is what consoles us on the journey. When the traveler, after all, finds it wearisome walking along, he puts up with the fatigue precisely because he hopes to arrive. Rob him of any hope of arriving, and immediately his strength for walking is broken. So the hope also which we have here is part and parcel of the justice of our exile and our journey. …

Sermon 158:8.8 ↗

Ambrose of Milan

[God] is the same one who said to Jeremiah, "Behold, I place my words in your mouth as a fire." David, therefore, also received this tongue of fire, so that he could speak of divine knowledge while enkindled with zeal: "Make known to me my end, O Lord." He was not here asking about his own death or about the final resurrection. …

Commentaries on the Twelve Davidic Psalms 38.16 ↗

Thomas Aquinas

And he sets out the frequentation of the ways: and the redeemed, those redeemed from the preceding dangers: for behold your children come, whom you sent away scattered (Bar 4:37). Fourth, he promises them joy of heart: everlasting joy, above: he shall wipe away tears from every face (Isa 25:8); the condition of the joy of the saints in heaven is also shown, that it is everlasting; that it is full: they shall obtain, that it is pure: sorrow and mourning shall flee away: and God shall wipe away all tears from the eyes of the saints: …

Commentary on Isaiah ↗