According to one class of speculators, the mind derives all its knowledge, judgments, maxims, from observation and experience. According to another class, there are ideas, truths, principles, which originate in the native power, or are seen in the inward light of the mind. These mental principles have been called by a great number of names, such as innate ideas, intuitions, Deces sary judgments, fundamental laws of belief, principles of common sense, first or primitive truths; and very diverse have been the accounts given of them, and the uses to which they have been turned. This is a controversy which has been from the beginning.