Travel is fatal to prejudice, bigotry and narrow-mindedness, and many of our people need it sorely on these accounts.
Our note: From the conclusion of Twain's account of a long voyage to Europe and the Holy Land.
Verified in the full text of The Innocents Abroad on Project Gutenberg · Project Gutenberg ebook #3176
Painted the same decade: The Laundress, Honoré Daumier, 186[3?]