Complex sentence: He emphasized that every aspect of the child's life contributed to the formation of personality, character, and reason based on what he learned by operating schools at Neuhof, Stans, Burgdorf and Yverdon.
Split into simpler sentences: He emphasized that every aspect of the child's life contributed to the formation of personality, character, and reason. He learned by operating schools at Neuhof, Stans, Burgdorf and Yverdon.