Translated from the original Latin, French and German. An accurate and comprehensive translation of Leibnitz' work, with great pains taken to verify the sources and content. Written by one of the great thinkers and writers of his time. Contains chapters entitled Leibnitz's critique of Locke on human understanding; new essays on the understanding, by the author of the system of pre-established harmony and subchapters entitled innate ideas; ideas; words; of knowledge.