The question was a fashionable one, whether a definite line exists between psychological and physiological phenomena in human activity; and if so, where it lies?
Leo Tolstoy (2016). “The Complete Novels of Leo Tolstoy in One Premium Edition (World Classics Series): Anna Karenina, War and Peace, Resurrection, Childhood, Boyhood, Youth, The Cossacks, The Death of Ivan Ilyich... (Including Biographies of the Author)”, p.105, e-artnow
