Authors:

Tis not the many oaths that make the truth; But the plain single vow, that is vow'd true.

William Shakespeare, Samuel Johnson, George Steevens, Isaac Reed (1778). “The Plays of William Shakespeare in Ten Volumes: With Corrections and Illustrations of Various Commentators”, p.101
Tis not the many oaths that make the truth; But the plain single vow, that is vow'd true.