Authors:

Tis a sure sign work goes on merrily, when folks sing at it.

Isaac Bickerstaffe, Newbery (1767). “The Maid of the Mill. A Comic Opera. As it is Performed at the Theatre Royal in Covent Garden. By the Author of Love in a Village. A New Edition”, p.7
Tis a sure sign work goes on merrily, when folks sing at it.