“Every act you have ever performed since the day you were born was performed because you wanted something”

“All noble enthusiasms pass through a feverish stage, and grow wiser and more serene”

“As I grow older, I pay less attention to what men say. I just watch what they do”

“I believe that the true road to preeminent success in any line is to make yourself master of that line”

“Undoubtedly a man is to labor to better his condition, but first to better himself”

“You must submit to supreme suffering in order to discover the completion of joy”