He was right in the name which he mockingly gave the effect before he felt it; it was a debauch, delicate, refined, of unserious pensiveness, a smiling melancholy, in which he walked emancipated from his harassing hopes, and keeping only his shadowy regrets.
"Indian Summer"
William D. Howells
He made an amusing and not altogether unserious reference to the American habit of exploding enthusiasm in dangerous fireworks.
"Mark Twain, A Biography, 1835-1910, Complete The Personal And Literary Life Of Samuel Langhorne Clemens"
Albert Bigelow Paine Last Updated: February 20, 2009
Once she began as if they were wholly serious, and once again as if they had been wholly unserious.
"The Boss of Little Arcady"
Harry Leon Wilson