Many of the articles that make up this book were originally prepared and delivered as lectures for the senior classes of the New York Homoeopathic Medical College.

It discusses Hahnemannian principles from a modern standpoint.

This book has been compiled with the object of presenting, as attractively as possible, an exposition of the logical, historical and philosophical principles upon which homoeopathy is based and is an attempt to show its relation as a department of general medicine to other sciences. “A series of lectures delivered at the New York Homeopathic Medical College.

Close was a student of P.P. Wells and Bernhardt Fincke.

This book is one of the clearest statements about the philosophical basis of homeopathic study ever compiled.” Julian Winston