1748. David Hume. Enquiries concerning the human understanding and concerning the principles of moral. London: Oxford University Press, 1973. § 28.But if we still carry on our sifting humour, and ask, What is the foundation of all conclusions from experience ? this implies a new question.
1764, w, w:The Castle of OtrantoIt immediately occurred to him to sift her on the subject of Isabella and Theodore.