Theories Are to Be Tested—The study of books will be of little benefit, unless the ideas gained can be carried out in practical life. And yet the most valuable suggestions of others should not be adopted without thought and discrimination. They may not be equally adapted to the circumstances of every mother, or to the peculiar disposition or temperament of each child in the family. Let the mother study with care the experience of others, note the difference between their methods and her own, and carefully test those that appear to be of real value.