“There are no mistakes, only happy accidents.”
“By many a happy accident.”
No Wit, no Help, like a Woman's (1611), Act ii. Sc. 2. Compare: "A happy accident", Madame de Staël, L'Allemagne, chap. xvi. Cervantes, Don Quixote, book iv. part ii. chap. lvii.
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Thomas Middleton 35
English playwright and poet 1580–1627Related quotes

“I think it a very happy accident.”
Source: Don Quixote de la Mancha (1605–1615), Part II (1615), Book III, Ch. 58.

“Happiness is an accident of nature, a beautiful and flawless aberration.”
Source: The Lords of Discipline

“To what happy accident is it that we owe so unexpected a visit?”
Source: The Vicar of Wakefield (1766), Ch. 19.
“To find accidently a handwritten letter of some old friend in a trunk. Ah, is this not happiness?”
"Thirty-three Happy Moments"
Bob Ross: Beauty Is Everywhere. Collection 1: Ep. 8 "Wintertime Blues"; The Joy of Painting Season 20: Episode 3 Bob Ross: Winter in Pastel.

“Not many people can lay claim to having broken Time, and we did it purely by accident.”
Source: The Search for the Red Dragon

Source: The Stupidest Angel: A Heartwarming Tale of Christmas Terror