Grocott & Ward, comps. Grocott’s Familiar Quotations, 6th ed. 189-?.
Secrecy
No lips so tight
Were ever made that nothing could leak through.
Samuel W. Duffield.—Eric, Act II. Scene 4.
There are inscriptions on our hearts, which, like that on Dighton Rock, are never to be seen except at dead-low tide.
Holmes.—The Autocrat of the Breakfast Table, Chap. X.