“When suspicion is awake, credit disappears as does cigarette smoke into thin air.”

From a classic

“On Aristotle”

“On David Hume”

“On Ignorance”

“The insights of behaviourism are still useful in the field of psychotherapy, but its heyday has now passed.”

“On Sigmund Freud”

“On B. F. Skinner”

“On Adam Smith”