For if one is partly insane, one is also, juridically, partly sane, and if one is partly sane one is at least partly responsible for one's actions, and if one is partly responsible one is wholly responsible; for responsibility is, as they say, that state in which the individual has the power to devote himself to a specific purpose of his own free will, independently of any compelling necessity, and one cannot simultaneously possess and lack such self-determination.
Robert Musil, The Man Without Qualities: Vol. 1
life, responsibility