… is from page 58 of Arthur Diamond, Jr.’s, superb 2019 book, Openness to Creative Destruction: Sustaining Innovative Dynamism (footnote deleted):
The word “comfort” was first used in its modern sense in 1770. Until two or three hundred years ago, humans did not worry about comfort because they were too busy just trying to survive. How wonderful that we have advanced to the point that we can now care about comfort!