The remaining rivers are too numerous to be particularized.
There are three stadia, or moments, in this process of nature - (i) the mechanical moment, or matter devoid of individuality; (2) the physical moment, or matter which has particularized itself in bodies - the solar system; and (3) the organic moment, or organic beings, beginning with the geological organism - or the mineral kingdom, plants and animals.
Under the general idea of law, defined as an " ordinance of reason for the common good, promulgated by him win has charge of the community," Thomas distinguishes (1) the eternal law or regulative reason of God which embraces all his creatures, rational and irrational; (2) " natural law," being that part of the eternal law that relates to rational creatures as such; (3) human law, which properly consists of more particular deductions from natural law particularized and adapted to the varying circumstances of actual communities; (4) divine law specially revealed to man.