Anglais example sentences with "cautions"

For example, if a chain-smoking teacher cautions a pupil for smoking, that warning is self-contradictory.
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Sir Robert Saville writing to Sir Robert Cotton, appointing an interview with the founder of the Bodleian Library, cautions Sir Robert, that “If he held any book so dear as that he would be loath to lose it, he should not let Sir Thomas out of his sight, but set ‘the boke’ aside beforehand.”
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