Ideas, as the raw material from which knowledge is produced, exist in superabundance, but that makes the production of knowledge read more

Ideas, as the raw material from which knowledge is produced, exist in superabundance, but that makes the production of knowledge more difficult rather than easier. Many ideas- probably most- will have to be discarded somewhere in the process of producing authenticated knowledge. Authentication is as important as the raw information itself, and the manner and speed of the authentication process can be crucial...

When you want to organize knowledge. you will be careful to base the classification upon essential qualities. You will thus read more

When you want to organize knowledge. you will be careful to base the classification upon essential qualities. You will thus derive classes in which the members have the greatest amount of resemblance to one another and the greatest amount of difference from the members of other classes. But suppose that, instead of organizing knowledge, you set out to organize ignorance and prejudice. You will then do precisely the opposite...You will keep the classification vague and flexible, so that it can be made to include just whatever individuals you choose.

It is the acquisition of skills in particular, irrespective of their utility, that is potent in making life meaningful. Since read more

It is the acquisition of skills in particular, irrespective of their utility, that is potent in making life meaningful. Since man has no inborn skills, the survival of the species has depended on the ability to acquire and perfect skills. Hence the mastery of skills is a uniquely human activity and yields deep satisfaction.

Opposition to the truth is inevitable, especially if it takes the form of a new idea, but the degree of read more

Opposition to the truth is inevitable, especially if it takes the form of a new idea, but the degree of resistance can be diminished- by giving thought not only to the aim but to the method of approach. Avoid a frontal attack on a long established position; instead, seek to turn it by flank movement, so that a more penetrable side is exposed to the thrust of truth. But, in any such indirect approach, take care not to diverge from the truth- for nothing is more fatal to its real advancement than to lapse into untruth.

The eye sees only what the mind is prepared to comprehend.

The eye sees only what the mind is prepared to comprehend.

I know how men in exile feed on dreams.

I know how men in exile feed on dreams.

There are in fact four very different stumbling blocks in the way of grasping the truth, which hinder every man read more

There are in fact four very different stumbling blocks in the way of grasping the truth, which hinder every man however learned, and scarcely allow anyone to win a clear title to wisdom, namely, the example of weak and unworthy authority, longstanding custom, the feeling of the ignorant crowd, and the hiding of our own ignorance while making a display of our apparent knowledge.

The revolutions of thought which shape the basic outlook of an age are not disseminated through text-books- they spread like read more

The revolutions of thought which shape the basic outlook of an age are not disseminated through text-books- they spread like epidemics, through contamination by invisible agents and innocent germ carriers, by the most varied forms of contact, or simply by breathing the common air.

Instinct is the nose of the mind.

Instinct is the nose of the mind.