Feudalism, serfdom, slavery — all tyrannical institutions, are merely the most vigorous kinds of rule, springing out of, and necessary to, a bad state of man. The progress from these is in all cases the same — less government.

Government is essentially immoral.

Objects we ardently pursue bring little happiness when gained; most of our pleasures come from unexpected sources.

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.

No philosopher's stone of a constitution can produce golden conduct from leaden instincts.

It is the function of parents to see that their children habitually experience the true consequences of their conduct.

Organs, faculties, powers, capacities, or whatever else we call them; grow by use and diminish from disuse, it is inferred that they will continue to do so. And if this inference is unquestionable, then is the one above deduced from it-that humanity must in the end become completely adapted to its conditions-unquestionable also. Progress, therefore, is not an accident, but a necessity.