https://www.poetryfoundation.org/articles/69384/selections-from-keatss-letters
“Tell George and Tom to write.—I’ll tell you what—On the 23rd was Shakespeare born—now If I should receive a Letter from you and another from my Brothers on that day ’twould be a parlous good thing—Whenever you write say a Word or two on some Passage in Shakespeare that may have come rather new to you; which must be continually happening, notwithstand that we read the same Play forty times—for instance, the following, from the Tempest, never struck me so forcibly as at present,
‘Urchins
Shall, for that vast of Night that they may work,
All exercise on thee—’
How can I help bringing to your mind the Line—
In the dark backward and abysm of time—
I find that I cannot exist without poetry—without eternal poetry—half the day will not do—the whole of it—I began with a little, but habit has made me a Leviathan—I had become all in a Tremble from not having written any thing of late—the Sonnet over leaf did me some good. I slept the better last night for it—this Morning, however, I am nearly as bad again—Just now I opened Spencer, and the first Lines I saw were these.—”
‘The noble Heart that harbors virtuous thought,
And is with Child of glorious great intent,
Can never rest, until it forth have brought
Th’ eternal Brood of Glory excellent—’”
How my heart sings 