Meaning of “To see a World in a Grain of…”

Walden, chapter “The Pond in Winter”; the line joins the immediate natural world with spiritual wonder.

Endymion: A Poetic Romance (1818), Book I, line 1, Project Gutenberg #24280, reproducing the Taylor and Hessey 1818 text. “A thing of beauty is a joy for ever” opens the poem’s mythic Romantic meditation on beauty; the statement remains a poetic proposition rather than empirical evidence that every aesthetic experience produces permanent happiness.

Nature (first published 1836), Chapter VIII, “Prospects,” in James Munroe and Company’s 1849 new-edition witness represented by Project Gutenberg #29433. “The invariable mark of wisdom is to see the miraculous in the common” appears near the essay’s close during Emerson’s discussion of prayer, study, facts and ideas. This collection retains 1836 as first-publication year while the evidence layer identifies the reviewed 1849 witness; the sentence remains Transcendentalist philosophical rhetoric rather than an experimentally established measure of wisdom.

“An August Midnight,” Poems of the Past and the Present (1901), Project Gutenberg #3168. The five include the speaker and small creatures gathered around his writing table.

The Story of My Heart (1883), Chapter III, Project Gutenberg #2317. The inherited Chapter I note is corrected: ‘It is eternity now’ occurs in Jefferies’s tumulus meditation after he writes that, recognising his inner consciousness / psyche, he cannot understand time. It is speculative spiritual autobiography and metaphysical-poetic reflection, not a scientific theory of time, physics or consciousness.

“Ode on Melancholy,” in Keats: Poems Published in 1820; Project Gutenberg #23684. This is Romantic poetic imagery and not mental-health treatment advice.