Those who have never entered upon scientific pursuits know not a tithe of the poetry by which they are surrounded.

Any piece of knowledge which the pupil has himself acquired- any problem which he has himself solved, becomes, by virtue of the conquest, much more thoroughly his than it could else be. The preliminary activity of mind which his success implies, the concentration of thought necessary to it, and the excitement consequent on his triumph, conspire to register the facts in his memory in a way that no mere information heard from a teacher, or read in a schoolbook, can be registered.

Absolute morality is the regulation of conduct in such a way that pain shall not be inflicted.

No one can be perfectly happy till all are happy.

Volumes might be written upon the impiety of the pious.

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.

Religion is the recognition that all things are manifestations of a Power which transcends our knowledge.