Progress is not an accident, not a thing within human control, but a beneficent necessity ... due to the working of a universal law. So surely must the things we call evil and immorality disappear; so surely must man become perfect.

Government is essentially immoral.

If every man has freedom to do all that he wills, provided he infringes not the equal freedom of any other man, then he is free to drop connection with the state-to relinquish its protection, and to refuse paying toward its support.

The most important attribute of man as a moral being is the faculty of self-control.

Of all the knowledge, that most worth having is knowledge about health! The first requisite of a good life is to be a healthy person.

In science the important thing is to modify and change one's ideas as science advances.

Divine right of kings means the divine right of anyone who can get uppermost.