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.

Facts do not "speak for themselves." They speak for or against competing theories. Facts divorced from theories or visions are read more

Facts do not "speak for themselves." They speak for or against competing theories. Facts divorced from theories or visions are mere isolated curiosities.

There is no truth sure enough to justify persecution.

There is no truth sure enough to justify persecution.

There are plenty of people to whom the crucial problem of their lives never get presented in terms that they read more

There are plenty of people to whom the crucial problem of their lives never get presented in terms that they can understand.

I find it valid to understand man as an animal before I am prepared to know him as a man.

I find it valid to understand man as an animal before I am prepared to know him as a man.

I think I am better than the people who are trying to reform me.

I think I am better than the people who are trying to reform me.

...far from failing in its intended task, our educational system is in fact succeeding magnificently, because its aim is to read more

...far from failing in its intended task, our educational system is in fact succeeding magnificently, because its aim is to keep the American people thoughtless enough to go on supporting the system.

Example is the best precept.

Example is the best precept.

It is a perplexing and unpleasant truth that when men already have "something worth fighting for," they do not feel read more

It is a perplexing and unpleasant truth that when men already have "something worth fighting for," they do not feel like fighting.