And what has Don Quixote left, do you ask? I answer, he has left himself, and a man, a living and eternal man, is worth all the theories and all the … - Miguel de Unamuno

In fact, for a voluntarist like Schopenhauer, a theory so sanely and cautiously empirical and rational as that of Darwin, left out of account the inward force, the essential motive, of evolution. For what is, in effect, the hidden force, the ultimate agent, which impels organisms to perpetuate themselves and to fight for their persistence and propagation? Selection, adaptation, heredity, these are only external conditions. This inner, essential force has been called will on the supposition that there exists also in other beings that which we feel in ourselves as a feeling of will, the impulse to be everything, to be others as well as ourselves yet without ceasing to be what we are.

A man, in so far as he is an individual, may be very sharply detached from others, a sort of spiritual crustacean, and yet be very poor in differentiating content. And further, it is true on the other hand that the more personality a man has and the greater his interior riches and the more he is a society within himself, the less brusquely he is divided from his fellows.

en el fondo del abismo se encuentran la desesperación sentimental y volitiva y el escepticismo ra cional frente a frente, y se abrazan como hermanos. Y