Progress, therefore, is not an accident, but a necessity…It is a part of nature.

Science is organized knowledge.

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

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.

A man's liberties are none the less aggressed upon because those who coerce him do so in the belief that he will be benefited.

So far from science being irreligious, as many think, it is the neglect of science that is irreligious-it is the refusal to study the surrounding creation that is irreligious.

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