Frank J. Wilstach, comp. A Dictionary of Similes. 1916.
Oaths
Lovers’ oaths are like mariners’ prayers, uttered in extremity; but when the tempest is o’er, and that the vessel leaves tumbling, they fall from protesting to cursing.
—John Webster
Lovers’ oaths are like fetters made of glass, that glisten fair, but couple no restraint.
—Zeno