The very forces that liberty has set free work against the dangerous consequences of liberty.

Is human love the growth of the human will ?

At every step the child should be allowed to meet the real experience of life; the thorns should never be plucked from his roses.

Anyone who would attempt the task of felling a virgin forest with a penknife would probably feel the same paralysis of despair that the reformer feels when confronted with existing school systems.

Nothing would more effectively further the development of education than for all flogging pedagogues to learn to educate with the head instead of with the hand.

All philanthropy ... is only a savory fumigation burning at the mouth of a sewer. This incense offering makes the air more endurable to passers-by, but it does not hinder the infection in the sewer from spreading.

Conventionality is the tacit agreement to set appearances before reality, form before content.