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.

Physicists have determined that even the most solid and heavy mass of matter we see is mostly empty space. But read more

Physicists have determined that even the most solid and heavy mass of matter we see is mostly empty space. But at the submicroscopic level, specks of matter scattered through a vast emptiness have such incredible density and weight, and are linked to one another by such powerful forces, that together they produce all the properties of concrete, cast iron and solid rock. In much the same way, specks of knowledge are scattered through a vast emptiness of ignorance, and everything depends upon how solid the individual specks of knowledge are, and on how powerfully linked and coordinated they are with one another.

The wise learn from the experience of others, and the creative know how to make a crumb of experience go read more

The wise learn from the experience of others, and the creative know how to make a crumb of experience go a long way.

Laugh and the world laughs with you; snore and you sleep alone.

Laugh and the world laughs with you; snore and you sleep alone.

The opposite of the religious fanatic is not the fanatical atheist but the gentle cynic who cares not whether there read more

The opposite of the religious fanatic is not the fanatical atheist but the gentle cynic who cares not whether there is a god or not.

One might equate growing up with a mistrust of words. A mature person trusts his eyes more than his ears. read more

One might equate growing up with a mistrust of words. A mature person trusts his eyes more than his ears. Irrationality often manifests itself in upholding the word against the evidence of the eyes.Children, savages, and true believers remember far less what they have seen than what they have heard.

Every fairly intelligent person is aware that the price of respectability is a muffled soul bent on the trivial and read more

Every fairly intelligent person is aware that the price of respectability is a muffled soul bent on the trivial and the mediocre.

Constancy is the foundation of virtue.

Constancy is the foundation of virtue.

We shall assume that what each man does is based not on direct and certain knowledge, but by pictures made read more

We shall assume that what each man does is based not on direct and certain knowledge, but by pictures made by himself or given to him. If his atlas tells him the world is flat he will not sail near what he believes to be the edge of our planet for fear of falling off. If his maps include a fountain of eternal youth, a Ponce de Leon will go off in quest of it. If someone digs up yellow dirt that looks like gold, he will for a time act exactly as if he has found gold. The way in which the world is imagined determines at any particular moment what men will do. It does not determine what they will achieve. It determines their effort, their feelings, their hopes, not their accomplishments and results.