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Last and First Men · Chapter

The Last Terrestrials explained

The Fifth Men, long-lived but mortal, grapple with the tragedy of death and the evanescence of all things.

What happens

The Fifth Men, long-lived but mortal, grapple with the tragedy of death and the evanescence of all things. They discover that past events persist eternally, leading to a profound social melancholy. A sudden crisis with the moon's orbit threatens their existence, prompting a shift from past-focused despair to present and future concerns.

Themes in this chapter

  • Immortality and Death

    The Fifth Men's struggle with mortality and their choice to forgo immortality for spiritual health.

  • The Limits of Knowledge

    The Fifth Men's scientific coherence is shattered by the unexpected lunar orbit change.

  • Suffering and Redemption

    The Fifth Men's despair over the eternal agony of the past and their search for a new vision.

  • Cosmic Indifference and Meaning

    The Fifth Men's confrontation with the brevity of mind's existence in the cosmos and their search for meaning.

Characters to notice

  • The Fifth Men

    Central focus of the chapter; their culture, mortality, and philosophical struggles are explored.

  • The Narrator

    Provides the historical account of the Fifth Men's era.

  • The First Men

    Mentioned as having early knowledge of the moon's orbit.

  • The Second Men

    Referenced as having similar philosophical realizations about the brevity of mind's course.

Key passages

  • The Fifth Men had not been endowed with that potential immortality which their makers themselves possessed. And from the fact that they were mortal and yet long-lived, their culture drew its chief brilliance and poignancy.

    The Fifth Men were mortal but lived for thousands of years, and this combination gave their culture a unique depth and beauty.

    Highlights the central tension of their existence.

  • It was seen with pain, but also with exultation, that even love’s demand that the beloved should have immortal life is a betrayal of man’s paramount allegiance.

    They realized that wanting loved ones to live forever was a disloyalty to the greater cause of humanity.

    Shows their philosophical evolution beyond personal attachment.

  • The discovery that past events were after all persistent, and accessible, was of course for the Fifth Men a source of deep joy; but also it caused them a new distress.

    Finding that the past was real and reachable brought both happiness and a new kind of pain.

    The dual-edged nature of their discovery.

  • It was left to a future and more brilliant species to discover the connection between a planet’s gravitation and its cultural development.

    A later, more advanced species would understand how a planet's gravity relates to its civilization's growth.

    Foreshadows future discoveries and the limits of the Fifth Men's knowledge.