Descartes’ Reason Discourse(笛卡尔的推理)
  If this Discourse appear too long to be read at once, it may be dividedinto six Parts: and, in the first, will be found various considerationstouching the Sciences; in the second, the principal rules of the Methodwhich the Author has discovered, in the third, certain of the rules ofMorals which he has deduced from this Method;