Darwin was as much of an emancipator as was Lincoln.

What is the real relation between happiness and goodness? It is only within a few generations that men have found courage to say that there is none.

We throw all our attention on the utterly idle question whether A has done as well as B, when the only question is whether A has done as well as he could.

I never have known a man of ordinary common-sense who did not urge upon his sons, from earliest childhood, doctrines of economy and the practice of accumulation.

Yet we are constantly annoyed, and the legislatures are kept constantly busy, by the people who have made up their minds that it is wise and conducive to happiness to live in a certain way, and who want to compel everybody else to live in their way.

Moreover, there is an unearned increment on capital and on labor, due to the presence, around the capitalist and the laborer, of a great, industrious, and prosperous society.

There is no boon in nature. All the blessings we enjoy are the fruits of labor, toil, self-denial, and study.