In Perelandra, the second book in C. S. Lewis’ Space Trilogy, Venus is an Eden-like planet, complete with an Adam and Eve. Weston, a human from earth is possessed with a demon and comes to Perelandra in order to cause the Fall there. The hero, appropriately named Ransom, is sent by God after Weston to preserve the innocence of the Eve character. The longer Weston is on Perelandra, the more depraved he becomes. He mauls some frog-like creatures horribly, and Ransom stumbles upon them, and seeing their suffering condition, tries to put them out of their misery, but they will not die, because Death hasn’t entered that planet yet. Ransom realizes he’s just adding to their suffering and leaves them, since he is also unable to heal them.
What has stuck with me about that episode since I first read it in college is