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

"I can see, and that is why I can be so happy, in what you call the dark, but which to me is golden."

"Many persons have a wrong idea of what constitutes true happiness. It is not attained through self-gratification but through fidelity to a worthy purpose."

"I do not mean to say that my life has been a succession of pleasant surprises, and that I have never had a hard time. But my experience has taught me that the pain of the wound is not always measured …"

"I am sure that the true way to make a life happy is to make it useful."