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“Season of mists and mellow fruitfulness”
Keats begins by finding abundance and beauty in the atmosphere of autumn, treating seasonal maturity as worthy of attention in its own right.
Source note: “To Autumn,” in Keats: Poems Published in 1820; Project Gutenberg #23684. The phrase opens a poem whose imagery follows ripening, harvest and the sounds of the season.
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“I'd use to-day that cannot last, Be glad to-day and sing.”
Awareness that another spring is not guaranteed turns attention toward using the present day rather than postponing every form of gladness.
Source note: “Another Spring,” Project Gutenberg #16950. The stanza begins conditionally—'If I might see another Spring'—so the present-focused conclusion grows from mortality and uncertainty.
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“The poetry of earth is never dead.”
Seasonal change does not extinguish natural life; the poem hears a continuing voice in both summer and winter.
Source note: On the Grasshopper and Cricket, opening line.
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“Lo! I have found the world is very fair.”
The declaration concludes a deliberate search for beauty by affirming that close attention has revealed much in the world worth valuing.
Source note: Poems of Optimism, “Beauty”; Project Gutenberg #7421. The surrounding poem is explicitly religious and aesthetic, repeatedly connecting beauty with God, stars, sunsets and ordinary perception.
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“But, whichever way I go, I am glad I came.”
The pleasure of walking is not confined to one perfect route because attention and openness allow value to emerge from whichever road is actually taken.
Source note: Winter Sunshine, essay “The Exhilarations of the Road.” The sentence follows Burroughs’s comparison of winter walks in different directions and precedes his claim that all roads lead toward the walker’s sought-for Jerusalem.
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“Its loveliness increases; it will never pass into nothingness”
The continuation imagines beauty as something whose value can deepen in memory and imagination rather than simply fading with the moment.
Source note: Endymion, Book I; Project Gutenberg #24280. The line directly continues “A thing of beauty is a joy for ever” and belongs to the poem’s idealizing Romantic account of beauty.