“Hell of a world we live in, huh? (…) But it could be worse, huh?"
"That's right," I said, "or even worse, it could be perfect.”

Source: Veronika Decides to Die

Source: Lover Awakened

“A Nation of Wheels”, p. 131.
The Teachings of Don. B: Satires, Parodies, Fables, Illustrated Stories, and Plays of Donald Barthelme (1992)

Variant: You're alive only once, as far as we know, and what could be worse than getting to the end of your life and realizing you hadn't lived it?

Regarding the last-minute deal that ended the 2013 U.S. government shutdown just before the U.S. defaulted on its debt
[Paul Krugman, http://www.nytimes.com/2013/10/18/opinion/krugman-the-damage-done.html?ref=opinion&_r=1&, The Damage Done, New York Times, October 18, 2013, October 18, 2013]
The New York Times Columns

"Let's Go to the Olympics!" (18 May 2004) http://sports.espn.go.com/espn/page2/story?page=thompson/040518
2000s
Context: These horrifying digital snapshots of the American dream in action on foreign soil are worse than anything even I could have expected. I have been in this business a long time and I have seen many staggering things, but this one is over the line. Now I am really ashamed to carry an American passport.

Rolling Stone (November 1989), as cited in The Yale Book of Quotations https://en.wikiquote.org/wiki/Special:BookSources/0300107986, ed. Fred Shapiro, Yale University Press (2006), p. 567

Memorabilia IV.8.8
Xenophon