Grocott & Ward, comps. Grocott’s Familiar Quotations, 6th ed. 189-?.
Constancy
Hang constancy, you know too much of the world to be constant, sure.
Fielding.—Love in several Masques, Act IV. Scene 2.
’Tis often constancy to change the mind.
Hoole’s Anastatio.—(Sieves.) Vol. I. Section 8.