"Retrospection and Introspection" by Mary Baker Eddy is a fundamental book that opens the reader to deep philosophical and spiritual reflections. The author turns to the concepts of retrospection (analyzed yesterday) and introspection (enlightened inner essence), guiding the reader through a sense of his own past and exploring the depths of his own soul. The book offers a unique opportunity to understand yourself and your place in the universe, reaching inner balance and wisdom. "Retrospection and introspection" is a real treasure for those who are looking for a deep understanding of themselves and the world around them.