I know that there are many persons to whom it seems derogatory to link a body of philosophic ideas to the social life and cultureof their epoch. They seem to accept a dogma of immaculate conception of philosophical systems.

The demand for liberty is a demand for power, either for possession of powers of action not already possessed or for retention and expansion of powers already possessed.

To savages it would seem preposterous to seek out a place where nothing but learning was going on in order that one might learn.

The school must be "a genuine form of active community life, instead of a place set apart in which to learn lessons".

In laying hands upon the sacred ark of absolute permanency, in treating the forms that had been regarded as types of fixity and perfection as originating and passing away, the Origin of Species introduced a mode of thinking that in the end was bound to transform the logic of knowledge, and hence the treatment of morals, politics, and religion.

To be interested is to be absorbed in, wrapped up in, carried away by, some object. To take an interest is to be on the alert, to care about, to be attentive.

Even dogs and horses have their actions modified by association with human beings; they form different habits because human beings are concerned with what they do.