Originally published in 1910, this book is a collection of philosophical essays on the topics of dogmatism and evolution. Andrus De Laguna and Theodore De Laguna, a father and son duo of American philosophers, provide a nuanced and thought-provoking analysis of the ways in which philosophical systems can either inhibit or promote scientific progress. This book remains a valuable contribution to the field of philosophy of science.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.