But as in...—so,...!

But as in landlessness alone resides highest truth, shoreless, indefinite as God—so, better is it to perish in that howling infinite, than be ingloriously dashed upon the lee, even if that were safety!  --Moby-Dick, The Lee Shore

"But, as in summer mornings when birds sweetly sing, and rosy mists add beauty to the fair prospect, the sun rises to give a magic brilliancy to all,—scattering diamonds and pearls upon the dewy green,—so, always to such happy scene, the smile of one, must give the light of enchantment!"  --May 1853 Scenes Beyond the Western Border

Look at this, will you? The nifty parallelism nearly vanishes in revision:

The rosy summer dawn is lovely, and sweetly the birds sing in its praise;—but lo! the sun appears, and gives a magic brilliancy to all,—scattering diamonds and pearls upon the dewy green;—so, always to such pleasant scene, the smile of one, must give the light of enchantment!   --Scenes and Adventures in the Army

Although the "so" clause remains in the book version, the distinctive sentence-starter "But as in" has been eliminated. After revision, the formerly dependent first clause is now independent.

Yikes!

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