It is notorious that no war between countries elicits as much hate and cruelty as civil war, in which there is no lack of acquaintance between the two warring sides.

Care and responsibility are constituent elements of love, but without respect for and knowledge of the beloved person, love deteriorates into domination and possessiveness.

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.

When people can't handle God any more, they turn to religion.

In the dream, sheltered from the noise, the subject expressed a judgment much more on the mark than that manifested in wakefulness.

The danger of the past was that men became slaves. The danger of the future is that men may become robots. True enough, robots do not rebel. But given man's nature, robots cannot live and remain sane, they become ''Golems',' they will destroy their world and themselves because they cannot stand any longer the boredom of a meaningless life.

Just as love is an orientation which refers to all objects and is incompatible with the restriction to one object, so is reason a human faculty which must embrace the whole of the world with which man is confronted.