The question of questions for the politicians should ever be-What type of social structure am I tending to produce? But this is a question he never entertains.

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

If there be an order in which the human race has mastered its various kinds of knowledge, there will arise in every child an aptitude to acquire these kinds of knowledge in the same order. So that even were the order intrinsically indifferent, it would facilitate education to lead the individual mind through the steps traversed by the general mind. But the order is not intrinsically indifferent; and hence the fundamental reason why education should be a repetition of civilization in little.

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.

To play billiards well is the sign of a misspent youth.

The more numerous public instrumentalities become, the more is there generated in citizens the notion that everything is to be done for them, and nothing by them. Every generation is made less familiar with the attainment of desired ends by individual actions or private agencies; until, eventually, governmental agencies come to be thought of as the only available agencies.

Music ministers to human welfare more than any other art.