For secrets are edg'd Tools, And must be kept from Children and from Fools. — John Dryden

Dryden, John. "Sir Martin Mar-all." The Works of John Dryden, edited by John Loftis and Vinton A. Dearing. Vol. 9, University of California Press, 1967, act 2, sc. 2

Dryden, John. Sir Martin Mar-All. 1667, Lincoln's Inn Fields, London, England, UK, act 2, sc. 2.