Quote by Fyodor Dostoevsky
“Todo cambio de conformación y función que pueda efectuarse por pequeños grados está bajo el poder de la selección natural; de manera que un órgano que por el cambio de costumbres se ha vuelto inútil o perjudicial para un objeto, puede modificarse y ser utilizado para otro. Un órgano pudo también conservarse para una sola de sus antiguas funciones. Órganos primitivamente formados con el auxilio de la selección natural pueden muy bien, al volverse inútiles, ser variables, pues sus variaciones ya no pueden seguir siendo refrenadas por la selección natural.”
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Fyodor Mikhaylovich Dostoyevsky was a Russian writer, essayist and philosopher, perhaps most recognized today for his novels Crime and Punishment and The Brothers Karamazov.
Dostoyevsky's literary output explores human psychology in the troubled political, social and spiritual context of 19th-century Russian society. Considered by many as a founder or precursor of 20th-century existentialism, his Notes from Underground (1864), written in the embittered voice of the anonymous "underground man", was called by Walter Kaufmann the "best overture for existentialism ever written."
His tombstone reads "Verily, Verily, I say unto you, Except a corn of wheat fall into the ground and die, it abideth alone: but if it die, it bringeth forth much fruit." from John 12:24, which is also the epigraph of his final novel, The Brothers Karamazov.