"The marvelous richness of human experience would lose something of rewarding joy if there were no limitations to overcome. The spirit finds its glow in answering for a challenge."

"I am only one, but still I am one. I cannot do everything, but still I can do something; and because I cannot do everything, I will not refuse to do the something that I can do."

"The greatest calamity that can befall a man is to lose his own soul."

"The public must learn that the blind man is neither a genius nor a mountebank. He has a right to his share in the work of the world."

"It is a terrible thing to see and have no vision."