Of course,Behaviourism 'works'. So does torture.

Man is a history-making creature, who can neither repeat his past, nor leave it behind.

To be happy means to be free, not from pain or fear, but from care or anxiety.

Precisely because we do not communicate by singing, a song can be out of place but not out of character; it is just as credible that a stupid person should sing beautifully as that a clever person should do so.

The commonest ivory tower is that of the average man, the state of passivity towards experience.

There is a certain kind of person who is so dominated by the desire to be loved for himself alone that he has constantly to test those around him by tiresome behavior; what he says and does must be admired, not because it is intrinsically admirable, but because it is his remark, his act. Does not this explain a good deal of avant-garde art?

Poetry might be defined as the clear expression of mixed feelings.