The only sure weapon against bad ideas is better ideas.

The only sure weapon against bad ideas is better ideas.

Men who love wisdom should acquaint themselves with a great many particulars.

Men who love wisdom should acquaint themselves with a great many particulars.

A healthy appetite for righteousness, kept in due control by good manners, is an excellent thing; but to "hunger and read more

A healthy appetite for righteousness, kept in due control by good manners, is an excellent thing; but to "hunger and thirst" after it is often merely a symptom of spiritual diabetes.

To dream anything that you want to dream, that is the beauty of the human mind. To do anything that read more

To dream anything that you want to dream, that is the beauty of the human mind. To do anything that you want to do, that is the strength of the human will. To trust yourself, to test your limits, that is the courage to succeed.

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.

In that the wisdom of the few becomes available to the many, there is progress in human affairs; without it, read more

In that the wisdom of the few becomes available to the many, there is progress in human affairs; without it, the static routine of tradition continues.

The class of those who have the ability to think their own thoughts is separated by an unbridgeable gulf from read more

The class of those who have the ability to think their own thoughts is separated by an unbridgeable gulf from the class of those who cannot.

When we leave people on their own, we are delivering them into the hands of a ruthless taskmaster from whose read more

When we leave people on their own, we are delivering them into the hands of a ruthless taskmaster from whose bondage there is no escape. The individual who has to justify his existence by his own efforts is in eternal bondage to himself.

In every passionate pursuit, the pursuit counts more than the object pursued.

In every passionate pursuit, the pursuit counts more than the object pursued.