Every politician, clergyman, educator, or physician, in short, anyone dealing with human individuals, is bound to make grave mistakes if he ignores these two great truths of population zoology: (1) no two individuals are alike, and (2) both environment and genetic endowment make a contribution to nearly every trait.
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Where it is a duty to worship the sun it is pretty sure to be a crime to examine the read more
Where it is a duty to worship the sun it is pretty sure to be a crime to examine the laws of heat.
Marke it welle,There are flowers, and there are weeds-But mostly weeds.
Marke it welle,There are flowers, and there are weeds-But mostly weeds.
It is common to assume that human progress affects everyone- that even the dullest man, in these bright days, knows read more
It is common to assume that human progress affects everyone- that even the dullest man, in these bright days, knows more than any man of, say, the Eighteenth Century, and is far more civilized. This assumption is quite erroneous...The great masses of men, even in this inspired republic, are precisely where the mob was at the dawn of history. They are ignorant, they are dishonest, they are cowardly, they are ignoble. They know little if anything that is worth knowing, and there is not the slightest sign of a natural desire among them to increase their knowledge.
Evolution as such is no longer a theory for a modern author. It is as much a fact as that read more
Evolution as such is no longer a theory for a modern author. It is as much a fact as that the earth revolves around the sun.
People do not cooperate under the division of labor because they love or should love one another. They cooperate because read more
People do not cooperate under the division of labor because they love or should love one another. They cooperate because this best serves their own interests. Neither love nor charity nor any other sympathetic sentiments but rightly understood selfishness is what originally impelled man to adjust himself to the requirements of society, to respect the rights and freedoms of his fellow men and to substitute peaceful collaboration for enmity and conflict.
Without a struggle, there can be no progress.
Without a struggle, there can be no progress.
I have steadily endeavored to keep my mind free so as to give up any hypothesis, however much beloved (and read more
I have steadily endeavored to keep my mind free so as to give up any hypothesis, however much beloved (and I cannot resist forming one on every subject), as soon as the facts are shown to be opposed to it.
The test of civilization is the estimate of woman. Among savages she is a slave. In the dark ages of read more
The test of civilization is the estimate of woman. Among savages she is a slave. In the dark ages of Christianity she is a toy and a sentimental goddess. With increasing moral light, and greater liberty, and more universal justice, she begins to develop as an equal human being.
Controversy is only dreaded by the advocates of error.
Controversy is only dreaded by the advocates of error.
