Our lives are universally shortened by our ignorance.

No one can be perfectly free till all are free; no one can be perfectly moral till all are moral; no one can be perfectly happy till all are happy.

This survival of the fittest which I have here sought to express in mechanical terms, is that which Mr. Darwin has called "natural selection", or the preservation of favoured races in the struggle for life.

It is a mistake to assume that government must necessarily last forever. The institution marks a certain stage of civilization-is natural to a particular phase of human development. It is not essential, but incidental. As amongst the Bushmen we find a state antecedent to government, so may there be one in which it shall have become extinct.

Those who have never entered upon scientific pursuits know not a tithe of the poetry by which they are surrounded.

A function to each organ, and each organ to its own function, is the law of all organization.

The cruelty of a Fijian god, who, represented as devouring the souls of the dead, may be supposed to inflict torture during the process, is small compared with the cruelty of a God who condemns men to tortures which are eternal.