All these disappointments had been petty, yet sore grievances to the Squire, and had made him to despond about success.
"Bracebridge Hall, or The Humorists"
Washington Irving
Sometimes memory slips through the crust, only to sink in the grim "slough of despond."
"Garrison's Finish A Romance of the Race-Course"
W. B. M. Ferguson
I have been wallowing in the slough of despond for a week and my digestive apparatus has gone wrong again.
"Eugene Field, A Study In Heredity And Contradictions"
Slason Thompson