The theory of evolution must be considered as a scientific theory, as theory, that is, proposed to explain or systemize read more

The theory of evolution must be considered as a scientific theory, as theory, that is, proposed to explain or systemize a set of facts, and that no one has any claim to be considered as a serious rival to Darwin in the "discovery" of this theory who did not conduct his evolutionary studies upon a reasonably wide basis of facts. To have ideas, apercus, is not enough, and it is the overevalutation of such clever but uncontrolled guesses which is apt to produce the ludicrous fallacy of combination, in which fragments of the final theory are collected from widely scattered sources and are combined in such a way as to impugn the originality of him who was the first to see how such a synthesis was possible.

Progress cannot be organized.

Progress cannot be organized.

Scientific progress consists in the development of new concepts.

Scientific progress consists in the development of new concepts.

The unpredictability inherent in human affairs is due largely to the fact that the by-products of a human process are read more

The unpredictability inherent in human affairs is due largely to the fact that the by-products of a human process are more fateful than the product.

The affairs of life embrace a multitude of interests, and he who reasons in any one of them, without consulting read more

The affairs of life embrace a multitude of interests, and he who reasons in any one of them, without consulting the rest, is a visionary unsuited to control the business of the world.

In a society in which it is a moral offense to be different from your neighbor your only escape is read more

In a society in which it is a moral offense to be different from your neighbor your only escape is never to let them find out.

What one generation sees as a luxury, the next sees as a necessity.

What one generation sees as a luxury, the next sees as a necessity.

Society exists only as a mental concept; in the real world there are only individuals.

Society exists only as a mental concept; in the real world there are only individuals.

We believe at once in evil, we only believe in good upon reflection. Is this not sad?.

We believe at once in evil, we only believe in good upon reflection. Is this not sad?.