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

        "The best and most beautiful things in the world cannot be seen or even touched. They must be felt with the Heart"

        "Great spirits have always encountered violent opposition from mediocre minds."

        "It is impossible for a man to learn what he thinks he already knows."