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.

It has been petrified into a slavery of thought and sentiment, as intolerant superiority on the part of the few and an intolerable burden on the part of the many.

Science is a systematic means of gaining reliable knowledge.

Mere physical growing up, mere mastery of the bare necessities of subsistence will not suffice to reproduce the life of the group. Deliberate effort and the taking of thoughtful pains are required.

One code prevails in the family; another, on the street; a third, in the workshop or store; a fourth, in the religious association. As a person passes from one of the environments to another, he is subjected to antagonistic pulls, and is in danger of being split into a being having different standards of judgment and emotion for different occasions. This danger imposes upon the school a steadying and integrating office.

If there is one conclusion to which human experience unmistakably points it is that democratic ends demand democratic methods for their realization.

The phrase "think for one's self" is a pleonasm. Unless one does it for one's self, it isn't thinking.