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 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.

Mental power cannot be got from ill-fed brains.

If on one day we find the fast-spreading recognition of popular rights accompanied by a silent, growing perception of the rights of women, we also find it accompanied by a tendency towards a system of non-coercive education--that is, towards a practical illustration of the rights of children.

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.

We do not commonly see in a tax a diminution of freedom, and yet it clearly is one.

When men hire themselves out to shoot other men to order, asking nothing about the justice of their cause, I don't care if they are shot themselves.