I became educated to the fact that the greatest pain does not come zooming down from a distant planet, but from the depths of the heart. Of course, both could happen; your wife and child could leave you, and you could be sitting alone in your empty house with nothing to live for, and in addition the Martians could bore through the roof and get you.
In "A Little Something For Us Tempunauts," Philip K. Dick explores the profound realization that the deepest suffering often arises from personal loss and emotional turmoil rather than external threats. The quote reflects on the heart's capacity for pain, suggesting that personal hardships, such as losing loved ones, can eclipse even the most fantastical fears, like an alien invasion.
By illustrating this contrast, Dick emphasizes the significance of human relationships and emotional bonds. The imagined scenario of Martians attacking serves as a metaphor for life's unpredictability, highlighting that while external crises may occur, it is the internal emotional struggles that truly define one's experience of pain and emptiness.