1) The document describes several courageous moments from Louis Braille's life, including experimenting with his father's tools as a boy and staying up late working to improve a method of reading for the blind called sonography. 2) It details Braille leaving home as a young boy to attend a strict school for the blind, where he continued working to simplify the method of reading dots used to represent letters. 3) Braille demonstrated courage in presenting his improved raised-dot alphabet system to audiences who had previously rejected it. He helped many blind people learn to read through his system, now known as Braille.