A Musing Superman

I asked Gemini to create some random text for the thought balloon in this panel from Action Comics 300. Gemini figured out that this panel is from the issue where Superman is trapped in a future where Earth's sun has turned red, thus removing his powers. Hence, it generated some text reflecting Superman's worry about those he'll leave behind if he can't return to his own time. 

Al Plastino's artwork is really terrific throughout this classic Silver Age story, but this image of a brooding Superman really stands out. One can imagine the Man of Steel ruminating over any number of issues of cosmic importance...