Man is the only animal who does not feel at home in nature, who can feel evicted from paradise, the only animal for whom his own existence is a problem that he has to solve and from which he cannot escape. He cannot go back to the prehuman state of harmony with nature, and he does not know where he will arrive if he goes forward. Man's existential contradiction results in a state of constant disequilibrium. This disequilibrium distinguishes him from the animal, which lives, as it were, in harmony with nature.

Like the effect of advertising upon the customer, the methods of political propaganda tend to increase the feeling of insignificance of the individual voter.

. . . freedom to creat and construct, to wonder and to venture. Such freedom requires that the individual be active and responsible, not a slave or a well-fed cog in the machine . . . It is not enough that men are not slaves; if social conditions further the existence of automatons, the result will not be love of life, but love of death.

Many students of dreams, from Plato to [Sigmund] Freud, hold that the sleeping person,deprived of contact with the outside world, regresses temporarily to an irrational primitive mental state.

Close your eyes, let your spirit start to soar, and you'll live as you've never lived before.

To spare oneself from grief at all cost can be achieved only at the price of total detachment, which excludes the ability to experience happiness

Technical Utopias-flying, for example-have been achieved by the new science of nature.The human utopia...a united new humankind living in solidarity and peace, free from economic determination and from war and class struggle-can be achieved, provided we spend the same energy, intelligence, and enthusiasm on the realization of the human Utopia as we have spent on the realization of our technical Utopias.