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A good man and a wise man may at times be angry with the world, at times grieved for it; but be sure no man was ever discontented with the world who did his duty in it.

Robert Southey (1850). “The life and correspondence of Robert Southey. Ed. by C.C. Southey”, p.279
A good man and a wise man may at times be angry with the world, at times grieved for it; but be sure no man was ever discontented with the world who did his duty in it.