Propaganda does not deceive people; it merely helps them to deceive themselves.

Propaganda does not deceive people; it merely helps them to deceive themselves.

There is no truth sure enough to justify persecution.

There is no truth sure enough to justify persecution.

...one of the tests of a theory is that, once grasped, it appears self-evident.

...one of the tests of a theory is that, once grasped, it appears self-evident.

The presence of a body of well-instructed men, who have not to labor for their daily bread, is important to read more

The presence of a body of well-instructed men, who have not to labor for their daily bread, is important to a degree which cannot be overestimated; as all high intellectual work is carried on by them, and on such work material progress of all kinds mainly depends, not to mention other and higher advantages.

Cultures contain many cues and inducements to dissuade the individual from approaching ultimate limits, in much the same way that read more

Cultures contain many cues and inducements to dissuade the individual from approaching ultimate limits, in much the same way that a special warning strip of land around the edge of a baseball field lets a player know that he is about to run into a concrete wall when he is preoccupied with catching the ball. The wider that strip of land and the more sensitive the player is to the changing composition of the ground under his feet as he pursues the ball, the more effective the warning. Romanticizing or lionizing as "individualistic" those people who disregard social cues and inducements increases the danger of head-on collisions with inherent social limits. Decrying various forms of social disapproval is in effect narrowing the warning strip.

Credulity is belief in slight evidence, with no evidence, or against evidence.

Credulity is belief in slight evidence, with no evidence, or against evidence.

Almost everyone who has read history in a more than casual manner knows that when the great figure of God read more

Almost everyone who has read history in a more than casual manner knows that when the great figure of God appears in a controversy, the shooting cannot be far off.

A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because read more

A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die out, and a new generation grows up that is familiar with it.

Do not be in a hurry to tie what you cannot untie.

Do not be in a hurry to tie what you cannot untie.