Mrs Macy is one of the most important people in Helen Keller's life. She is Helen's first teacher and helps her learn sign language, reading, writing and language. Helen wrote in the book that Mrs. Messi's "face is the most familiar to me, because I have spent most of my life in front of her."

Helen Keller emphasized the great influence of Mrs. Messi in her book. She wrote: "At different stages of my life, I have been helped by many teachers, but I am most grateful to Mrs. Anne Sullivan Messi, who is my closest friend and mentor. "

Helen Keller also mentioned the dedication of Mrs. Messi in her book. She wrote: "Mrs. Messi is my teacher and my friend. She has done a lot for me and is the most selfless devotee in my life. "

So Helen Keller stared at Mrs. Macy's face for the first time in the book, probably to express her gratitude and love for her teacher.