A fundamental work of anthroposophy by its founder Rudolf Steiner: Here, he invites readers to engage with the question of the meaning of life through training and exercises. Steiner's path to self-determined knowledge provides insights into spiritual worlds. Rudolf Steiner was a philosopher, educator, natural scientist, and esotericist. He developed the concept of Waldorf education, biodynamic agriculture, and eurythmy. "How to Attain Knowledge of Higher Worlds" was first published between 1904 and 1905 as part of the series "Meditation Processes.".