Men honor what lies within the sphere of their knowledge, but do not realize how dependent they are on what lies beyond it.

A physician without a knowledge of Astrology has no right to call himself a physician.

Education, whatever else it should or should not be, must be an inoculation against the poisons of life and an adequate equipment in knowledge and skill for meeting the chances of life.

The world of knowledge takes a crazy turn when teachers themselves are taught to learn.

Well, knowledge is a fine thing, and mother Eve thought so but she smarted so severely for hers, that most of her daughters have been afraid of it since.