Authors:

Plenty and peace breed cowards; hardness ever of hardiness is mother.

William Shakespeare (1771). “The plays of Shakespeare, from the text of S. Johnson, with the prefaces, notes &c. of Rowe, Pope and many other critics. 6 vols. [in 12 pt. Followed by] Shakespeare's poems”, p.195
Plenty and peace breed cowards; hardness ever of hardiness is mother.