What is a theme of Helen Keller's The Story of My Life?

One theme of Helen Keller's The Story of My Life is perseverance. Despite being disadvantaged by her blindness and deafness and frustrated by the limitations of her sign language, Keller maintains her memories of speech and works to regain her ability to communicate effectively. Even after learning how to communicate with her teacher, Miss Sullivan, and read Braille, Keller is determined to regain her ability to speak and works toward it until she accomplishes her goal. As an adult, Keller decides to attend Radcliffe College, which was not specifically for blind or deaf students. She perseveres through the difficulties of attending a college unequipped to accommodate her. Keller ultimately graduates with honors. Throughout the book, Keller perseveres through the limitations of being blind and deaf and manages to accomplish her goals of communicating, regaining speech, and attending college through hard work and dedication.