He who will not reason, is a bigot; he who cannot is a fool; and he who dares not is read more

He who will not reason, is a bigot; he who cannot is a fool; and he who dares not is a slave.

However human, envy is certainly not one of the sources of discontent that a free society can eliminate. It is read more

However human, envy is certainly not one of the sources of discontent that a free society can eliminate. It is probably one of the essential conditions for the preservation of such a society that we do not countenance envy, not sanction its demands by camouflaging it as social justice, but treat it, in the words of John Stuart Mill, as "the most anti-social and evil of all passions.

We often use strong language not to express a powerful emotion but to evoke it in us.

We often use strong language not to express a powerful emotion but to evoke it in us.

The main fuel to speed the world's progress is our stock of knowledge, and the brake is our lack of read more

The main fuel to speed the world's progress is our stock of knowledge, and the brake is our lack of imagination.

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.

There are many who find the burdens, the anxiety, and the isolation of an individual existence unbearable. This is particularly read more

There are many who find the burdens, the anxiety, and the isolation of an individual existence unbearable. This is particularly true when the opportunities for self-advancement are relatively meager, and one's individual interests and prospects do not seem worth living for. Such persons sooner or later turn their backs on an individual existence and strive to acquire a sense of worth and a purpose by an identification with a holy cause, a leader, or a movement. The faith and pride they derive from such an identification serve them as substitutes for the unattainable self-confidence and self-respect.

...the more original a discovery the more obvious it seems afterwards.

...the more original a discovery the more obvious it seems afterwards.

A man is never more his single separate self than when he sets out on a journey.

A man is never more his single separate self than when he sets out on a journey.

If a man be gracious and courteous to strangers, it shows he is a citizen of the world.

If a man be gracious and courteous to strangers, it shows he is a citizen of the world.