"The greatest truths are the simplest, and so are the greatest men."

"If a man has a hundred cents, and spends ninety-nine, he is a fool. If he has a hundred cents and spends a hundred, he is a wise man."

"Where the telescope ends, the microscope begins. Which of the two has the grander view?"

"The pupil dilates in darkness and in the end sees light, just as the soul dilates in misfortune and in the end finds God."

"The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves."