No one can be perfectly free till all are free; no one can be perfectly moral till all are moral; no one can be perfectly happy till all are happy.

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.

Only when Genius is married to Science can the highest results be produced.

There is a principle which is a bar against all information, which cannot fail to keep a man in everlasting ignorance-that principle is contempt prior to investigation.

People are beginning to see that the first requisite to success in life is to be a good animal.

Science is organized knowledge.

Be it or be it not true that Man is shapen in iniquity and conceived in sin, it is unquestionably true that Government is begotten of aggression, and by aggression.