The preservation of animal and plant life, and of the general beauty of Nature, is one of the foremost duties of the men and women of today. It is an imperative duty, because it must be performed at once, for otherwise it will be too late. Every possible means of preservation - sentimental, educational and legislative - must be employed.

Our Vanishing Wild Life: Its Extermination and Preservation, Foreword (p. vii), Charles Scribner's Sons. 1913