In 'The Story of My Mind; Or, How I Became a Rationalist' by M. M. Mangasarian, the author delves into his personal journey towards rationalism, offering a glimpse into the development of his own belief system. Through a reflective and introspective narrative, Mangasarian presents his ideas in a clear and concise manner, making it accessible to readers of varied backgrounds. The book is written in a candid and straightforward style, reflecting the author's commitment to rational thought and skepticism towards dogma. This work can be seen as a part of the broader context of 19th and early 20th-century literature, which saw a rise in secular and rationalist ideals. M. M. Mangasarian, a prominent rationalist thinker and writer, brings his expertise to this work, drawing from his own experiences and intellectual journey. His background as a lecturer and activist in the freethought movement provides valuable insight into his motivations for writing this book. Mangasarian's dedication to promoting reason and skepticism is evident throughout the text, making it a compelling read for those interested in philosophy and rationalism. I highly recommend 'The Story of My Mind; Or, How I Became a Rationalist' to readers seeking an enlightening and thought-provoking exploration of one individual's path towards rationalism. This book offers valuable insights into the author's personal evolution and provides a compelling argument for embracing reason and critical thinking in one's own belief system.