Known sourcecanonical
"A glass is good, and a lass is good, And a pipe to smoke in cold weather; The world is good, and the people are good, And we 're all good fellows together."
John O'Keefe / Sprigs of Laurel. Act ii. Sc. 1.
Sprigs of Laurel. Act ii. Sc. 1.
Bartlett's Familiar Quotations, 9th ed. (Little, Brown, 1905), public domain