Authors:

A man I knew who lived upon a smile, And well it fed him; he look'd plump and fair, While rankest venom foam'd through every vein.

Edward Young, John Doran, James Nichols (1854). “The Complete Works, Poetry and Prose of the Rev. Edward Young, LL.D.: Revised and Collated with the Earliest Editions. To which is Prefixed A Life of the Author”, p.160
A man I knew who lived upon a smile, And well it fed him; he look'd plump and fair, While rankest venom foam'd through every vein.