...I should always find, the calamities of life were shared among the upper and lower part of mankind; but that middle station had the fewest disasters, and was not exposed to so many vicissitudes as the higher or lower part of mankind; nay, they were not subjected to so many distempers and uneasinesses either of body or mind, as those were who, by vicious living, luxury, and extravagances on one hand, or by hard labor, want of necessaries, and mean or insufficient diet on the other hand, bring distempers upon themselves by the natural consequences of their way of living; that the middle station of life was calculated for all kind of virtues and all kind of enjoyments; that peace and plenty were the handmaids of a middle fortune; that temperance, moderation, quietness, health, society, all agreeable diversions, and all desirable pleasures, were the blessings attending the middle station of life...
Daniel Defoe, Robinson Crusoe
contentment, philosophy-of-life