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.

Sex lies at the root of life, and we can never learn to reverence life until we know how to read more

Sex lies at the root of life, and we can never learn to reverence life until we know how to understand sex.

The short-lived self, teetering on the edge of extinction, is the only thing that can ever really matter.

The short-lived self, teetering on the edge of extinction, is the only thing that can ever really matter.

The mentality of an army on the march is merely so much delayed adolescence; it remains persistently, incorrigibly and notoriously read more

The mentality of an army on the march is merely so much delayed adolescence; it remains persistently, incorrigibly and notoriously infantile.

The history of science knows scores of instances where an investigator was in the possession of all the important facts read more

The history of science knows scores of instances where an investigator was in the possession of all the important facts for a new theory but simply failed to ask the right questions.

The sexual regions constitute a particularly vulnerable spot, and remain so even in man, and the need for their protection read more

The sexual regions constitute a particularly vulnerable spot, and remain so even in man, and the need for their protection which thus exists conflicts with the prominent display required for sexual allurement. This end is far more effectively attained, with greater advantage and less disadvantage, by concentrating the chief ensigns of sexual attractiveness on the upper and more conspicuous parts of the body. This method is well-nigh universal among animals as well as in man.

It is the worst of all superstitions to assume that the epistemological characteristics of one branch of knowledge must necessarily read more

It is the worst of all superstitions to assume that the epistemological characteristics of one branch of knowledge must necessarily be applicable to any other branch.

The stricter standards and independent, often conclusive, evidence in the physical sciences cannot be generalized to intellectual activity as a read more

The stricter standards and independent, often conclusive, evidence in the physical sciences cannot be generalized to intellectual activity as a whole, even though the aura of scientific processes and results is often appropriated by other intellectuals.

Considering the enormous range of human knowledge, from intimate personal knowledge of specific individuals to the complexities of organizations and read more

Considering the enormous range of human knowledge, from intimate personal knowledge of specific individuals to the complexities of organizations and the subtleties of feelings, it is remarkable that one speck in this firmament should be the sole determinant of whether someone is considered knowledgeable or ignorant in general. Yet it is a fact of life that an unlettered person is considered ignorant, however much he may know about nature and man, and a Ph.D. is never considered ignorant, however barren his mind might be outside his narrow specialty and however little he grasps about human feeling or social complexities.