Men who borrow their opinions can never repay their debts. – George Savile, Marquess de Halifax, Miscellaneous Thoughts and Reflections

Some people do not become thinkers simply because their memories are too good. – Friedrich Wilhelm Nietzsche

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