The mind being, as I have declared, furnished with a great number of the simple ideas conveyed in by the senses, as they are found in exterior things, or by reflection on its own operations, take notice, also, that a certain number of these simple ideas go constantly together... which, by inadvertency, we apt afterward to talk of and condier as one simple idea.
John LockeThus parents, by humouring and cockering them when little, corrupt the principles of nature in their children, and wonder afterwards to taste the bitter waters, when they themselves have poison'd the fountain.
John Locke