Far more crucial than what we know or do not know is what we do not want to know. One read more

Far more crucial than what we know or do not know is what we do not want to know. One often obtains a clue to a person's nature by discovering the reasons for his or her imperviousness to certain impressions.

Because we do not understand the brain very well we are constantly tempted to use the latest technology as a read more

Because we do not understand the brain very well we are constantly tempted to use the latest technology as a model for trying to understand it. In my childhood we were always assured that the brain was a telephone switchboard. ('What else could it be?') I was amused to see that Sherrington, the great British neuroscientist, thought that the brain worked like a telegraph system. Freud often compared the brain to hydraulic and electro-magnetic systems. Leibniz compared it to a mill, and I am told some of the ancient Greeks thought the brain functions like a catapult. At present, obviously, the metaphor is the digital computer.

Laughter to begin with was probably glee at the misfortunes of others. The baring of the teeth in laughter hints read more

Laughter to begin with was probably glee at the misfortunes of others. The baring of the teeth in laughter hints at its savage ancestry. Animals have no malice, hence also no laughter. They never savor the sudden glory of Schadenfreude. It was its infectious quality that made of laughter a medium of mutuality.

The power of habit and the charm of novelty are the two adverse forces which explain the follies of mankind.

The power of habit and the charm of novelty are the two adverse forces which explain the follies of mankind.

Nothing defines the quality of life in a community more clearly than people who regard themselves, or whom the consensus read more

Nothing defines the quality of life in a community more clearly than people who regard themselves, or whom the consensus chooses to regard, as mentally unwell.

Veracity is the heart of morality.

Veracity is the heart of morality.

Power concedes nothing without a demand.

Power concedes nothing without a demand.

Fanaticism obliterates the feelings of humanity.

Fanaticism obliterates the feelings of humanity.

Conscience is the inner voice which warns us that someone may be looking.

Conscience is the inner voice which warns us that someone may be looking.