Logic is thinking based upon principle and is provable, factual, and as closely approaching exact truth as is possible for man to conceive. –Alfred J. Parker

The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well. –Ralph Waldo Emerson

Always be individual; never do things that are not right just to be sociable. Being honest with yourself and the Principle is your first duty. –Alfred J. Parker

The doctors of the future will give no medicine but will interest patients in the care of the human frame, in diet, and in the cause and prevention of disease. –Thomas A. Edison