Modern man lives under the illusion that he knows what he wants, while he actually wants what he is supposed to want

Man always dies before he is fully born.

Socialism is the abolition of human self-alienation, the return of man as a real human being.

The paradoxical and tragic situation of man is that his conscience is weakest when he needs it most

El hombre no domina la naturaleza, sino que, fundándose sobre el conocimiento de unas cuantas leyes y secretos naturales, se ha erigido en la posición de dueño de aquellos otros seres que carecen de tal conocimiento.

The ordinary man with extraordinary power is the chief danger for mankind - not the fiend or the sadist.