these be they that are at every beck, at every nod, freemen by fortune, slaves by free will.
John Lyly. Euphues: The Anatomy of Wit (1578)
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I am very proud, revengeful, ambitious; with more offences at my beck than I have thoughts to put them in,
WIlliam Shakespeare. Hamlet.
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the full, mellow flow of the beck in the valley came soothingly on the ear.
Emily Brontë. Wuthering Heights (1847)
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this pleasure consisted in prospect of noble summits girdling a great hill-hollow, rich in verdure and shadow; in a bright beck, full of dark stones and sparkling eddies.