...anyone who writes about "Darwin's theory of evolution" in the singular, without segregating the theories of gradual evolution, common descent, read more

...anyone who writes about "Darwin's theory of evolution" in the singular, without segregating the theories of gradual evolution, common descent, speciation, and the mechanism of natural selection, will be quite unable to discuss the subject competently.

Humiliating to human pride as it may be, we must recognize that the advance and even the preservation of civilization read more

Humiliating to human pride as it may be, we must recognize that the advance and even the preservation of civilization are dependent upon a maximum of opportunity for accidents to happen.

Without speculation there is no good and original observation.

Without speculation there is no good and original observation.

Destiny is an invention of the cowardly and the resigned.

Destiny is an invention of the cowardly and the resigned.

For every social wrong there must be a remedy. But the remedy
can be nothing less than the abolition read more

For every social wrong there must be a remedy. But the remedy
can be nothing less than the abolition of the wrong.

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.

...mammalian embryos, regardless of their sex chromosome constitutions, have an inherent tendency to develop the female phenotype; the mammalian male read more

...mammalian embryos, regardless of their sex chromosome constitutions, have an inherent tendency to develop the female phenotype; the mammalian male is essentially a female that has been exposed to androgenic steroid hormones.

Almost everyone who has read history in a more than casual manner knows that when the great figure of God read more

Almost everyone who has read history in a more than casual manner knows that when the great figure of God appears in a controversy, the shooting cannot be far off.

Some tribes [of monkeys] have taken to washing potatoes in the river before eating them, others have not. Sometimes migrating read more

Some tribes [of monkeys] have taken to washing potatoes in the river before eating them, others have not. Sometimes migrating groups of potato-washers meet non-washers, and the two groups watch each other's strange behavior with apparent bewilderment. But unlike the inhabitants of Lilliput, who fought holy crusades over the question at which end to break the egg, the potato-washing monkeys do not go to war with the non-washers, because the poor creatures have no language which would enable them to declare washing a diving commandment and eating unwashed potatoes a deadly heresy.