Contents: What is Truth? Matter and Substance; The Great and the Small; Force, Motion, Energy; Interrelation of Planes; Primordial Substance; Consciousness; Materialism vs. Idealism; Scientific Materialism-or What? The Noumenal and the Phenomenal; Cosmic Evolution; Organic Evolution; Evolution of Man; Evolution of the Individual; Higher Science; Higher Religion; Higher and the Lower Self; Ideal Realism.