"But the truly strong ones will quietly wait, observe, and then fight wars such as there have never been in mankind's earlier history." pg. 116
If you are interested in diving into a study of existentialism and the writings of Dostoevsky, Kierkegaard, Nietzsche, and Kofka, an amazing starting read is a small book by William Hubben. It is a concise overview of who they were, why they were who they were, and outlines in broad strokes their career and works. An excellent read for those just who just wish to grasp a basic understanding of these philosophical giants.
