So be it!

MOBY-DICK (1851)

So be it, then. Born in throes, 'tis fit that man should live in pains and die in pangs. So be it, then! Here's stout stuff for woe to work on. So be it, then. --Moby-Dick chapter 99 The Doubloon

SCENES BEYOND THE WESTERN BORDER (August 1852)

Then so be it! let us treat the whole world as it has done us, and—forget it!

"Scenes Beyond the Western Border"
Southern Literary Messenger - August 1852

--August 1852 Scenes Beyond the Western Border; and Scenes and Adventures in the Army

Among other things deleted in revision of this August 1852 prairie dialogue, passing the love of women and "nay, I am sure."