There is always need of persons not only to discover new truths, and point out when what were once truths are true no longer, but also to commence new practices, and set the example of more enlightened conduct, and better taste and sense in human life.

That a thing is peculiar; is no argument for its being blamable; since the most criminal actions are to a being like man not more unnatural than most of the virtues.

Next to selfishness the principal cause which makes life unsatisfactory is want of mental cultivation.

Laws and systems of polity always begin by recognizing the relations they find already existing between individuals.

The most cogent reason for restricting the interference of government is the great evil of adding unnecessarily to its power.

The legal subordination of one sex to another - is wrong in itself, and now one of the chief hindrances to human improvement; and that it ought to be replaced by a system of perfect equality, admitting no power and privilege on the one side, nor disability on the other.

The beliefs which we have most warrant for, have no safeguard to rest on, but a standing invitation to the whole world to prove them unfounded.