It was not that the ocean depths served the creatures there with darkness, to protect them from attack — a darkness they could light, as they needed,… - Stanisław Lem

A human being, appearances to the contrary, doesn’t create his own purposes. These are imposed by the time he’s born into; he may serve them, he may rebel against them, but the object of his service or rebellion comes from the outside. To experience complete freedom in seeking his purposes he would have to be alone, and that’s impossible, since a person who isn’t brought up among people cannot become a person.

We are the cause of our own sufferings.

Anyhow, the criterion of common sense was never applicable to the history of the human race. Averroës, Kant, Socrates, Newton, Voltaire, could any of them have believed it possible that in the twentieth century the scourge of cities, the poisoner of lungs, the mass murderer and idol of millions would be a metal receptacle on wheels, and that people would actually prefer being crushed to death inside it during frantic weekends exoduses instead of staying, safe and sound, at home?