For those who either perceive but dully, or retain the ideas that come into their minds but ill, who cannot readily excite or compound them, will have little matter to think on.
John LockeDefects and weakness in men's understandings, as well as other faculties, come from want of a right use of their own minds; I am apt to think, the fault is generally mislaid upon nature, and there is often a complaint of want of parts, when the fault lies in want of a due improvement of them.
John LockeSince nothing appears to me to give Children so much becoming Confidence and Behavior, and so raise them to the conversation of those above their Age, as Dancing. I think they should be taught to dance as soon as they are capable of learning it.
John Locke