Utopia by Thomas More Chapter 6 Page 39

part. This lively health, when entirely free from all mixture of pain, of itself gives an inward pleasure, independent of all external objects of delight; and though this pleasure does not so powerfully affect us, nor act so strongly on the senses as some of the others, yet it may be esteemed as the greatest of all pleasures; and almost all the Utopians reckon it the foundation and basis of all the other joys of life, since this alone makes the state of life easy and desirable, and when this is wanting, a man is really capable of no other pleasure.

They look upon freedom from pain, if it does not rise from perfect health, to be a state of stupidity rather than of pleasure. This subject has been very narrowly canvassed among them, and it has been debated whether a firm and entire health could be called a pleasure or not.