Custom is a violent and treacherous school mistress. She, by little and little, slyly and unperceived, slips in the foot of her authority; but having by this gentle and humble beginning, with the benefit of time, fixed and established it, she then unmasks a furious and tyrannic countenance, against which we have no more the courage or the power so much as to lift up our eyes.
Courtesy, like grace and beauty, that which begets liking and inclination to love one another at the first sight, and in the very beginning of our acquaintance and familiarity; and, consequently, that which first opens the door for us to better ourselves by the example of others, if there be anything in the society worth notice.
Learning is not to be tacked to the mind, but we must fuse and blend them together, not merely giving the mind a slight tincture, but a thorough and perfect dye. And if we perceive no evident change and improvement, it would be better to leave it alone: learning is a dangerous weapon, and apt to wound its master if it be wielded by a feeble hand, and by one not well acquainted with its use.