OF WHAT BEFELL DON QUIXOTE WITH DONA RODRIGUEZ, THE DUCHESS’S DUENNA, TOGETHER WITH OTHER OCCURRENCES WORTHY OF RECORD AND ETERNAL REMEMBRANCE Exceedingly moody and dejected was the sorely wounded Don Quixote, with his face bandaged and marked, not by the hand of God, but by the claws of a cat, mishaps incidental to knight-errantry.
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Promise me—incidental to the issue—Anglo-Saxon—dirty word—Childe Roland.
Harper Lee -- Go Set a Watchman
Many of the professors used the Socratic method—direct, repetitive, and adversarial questioning—which had the incidental effect of humiliating unprepared students.