If freedom is a requisite for human happiness, then all that’s necessary is to provide the illusion of freedom.

We are only just beginning to understand the power of love because we are just beginning to understand the weakness of force and aggression.

A person's genetic endowment, a product of the evolution of the species, is said to explain part of the workings of his mind and his personal history the rest.

Something doing every minute' may be a gesture of despair-or the height of a battle against boredom.

Twenty-five hundred years ago it might have been said that man understood himself as well as any other part of the world. Today he is the thing he understands least.

The real question is not whether machines think but whether men do. The mystery which surrounds a thinking machine already surrounds a thinking man.

...not everyone is willing to defend a position of 'not knowing.' There is no virtue in ignorance for its own sake.