Practical gentlemen hate uncertainty, balancing of probabilities, skepticism or approximation. They have a number of bitterly satirical comments on persons whose minds are so open that their brains fall out. They are bent on getting to a conclusion. – Max Radin, 1937

No amount of energy will take the place of thought. A strenuous life with its eyes shut is a kind of wild insanity. – Henry Van Dyke

Often the hands will solve a mystery that the intellect has struggled with in vain. – Carl G. Jung