Men educated in [the critical habit of thought]are slow to believe. They can hold things as possible or probable in all degrees, without certainty and without pain.

Darwin was as much of an emancipator as was Lincoln.

A drunkard in the gutter is just where he ought to be...The law of survival of the fittest was not made by man, and it cannot be abrogated by man. We can only, by interfering with it, produce the survival of the unfittest.

What man ever blamed himself for his misfortune?

I have before me a newspaper slip on which a writer expresses the opinion that no one should be allowed to possess more than one million dollars' worth of property.

There is no device whatever to be invented for securing happiness without industry, economy, and virtue.

Every man and woman in society has one big duty. That is, to take care of his or her own self. This is a social duty. For, fortunately, the matter stands so that the duty of making the best of one's self individually is not a separate thing from the duty of filling one's place in society, but the two are one, and the latter is accomplished when the former is done