Why is it so painful to watch a person sink? Because there is something unnatural in it, for nature demands personal progress, evolution, and every backward step means wasted energy.
Source: A Madman's Defense, pt. 2, ch. 5 (1968).
-- J August Strindberg, (Jan 22 1849-1912), Swedish playwright, novelist, short-story writer; He combined psychology and Naturalism in a new kind of European drama that evolved into Expressionist drama, e.g. The Father, 1887.