“The apple tree never asks the beech how he shall grow, nor the lion, the horse, how he shall take his prey.”
Source: The Marriage of Heaven and Hell
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William Blake 249
English Romantic poet and artist 1757–1827Related quotes
As quoted in The Golden Treasury of Thought: A gathering of quotations from the best ancient and modern authors (1873) edited by John Camden Hotten.

“What sweat in muddy dust for horses and for men! Ah, how high shall rivers be cruelly reddened!”
Quantus equis quantusque viris in puluere crasso
sudor! io quanti crudele rubebitis amnes!
Source: Thebaid, Book III, Line 210

Listen to the Lion
Song lyrics, Saint Dominic's Preview (1972)

"The Golden Rule" (song)
Gilbert O'Sullivan, "The Golden Rule" https://www.youtube.com/watch?v=u70QuKjUm64 (song on YouTube)
Song lyrics

Broadcast from London (6 March 1934); published in This Torch of Freedom (1935), p. 21.
1934

Source: 1790s, The Marriage of Heaven and Hell (1790–1793), Proverbs of Hell, Lines 8–9

As quoted by Robert Chambers, "Sir Isaac Newton and the Apple," The Book of Days (1832) Vol. 2 https://books.google.com/books?id=K0UJAAAAIAAJ, p. 757.