In terminology, animal (TR:835) refers to a certain class of powered CHNOPS+ organisms in possession of animation; in obsolete Linnaean classification, is one of the three forms of "life", i.e. "animal life", along with plant life (or vegetable life) and mineral life.

The following are related quotes:

Anaximander, a pupil of Thales, said that a certain infinite nature is first principle of the things that exist. From it come the heavens and the worlds in them. It is eternal and ageless, and it contains all the worlds. He speaks of time, since generation and existence and destruction are determinate. Anaximander said that the infinite is principle and element of the things that exist, being the first to call it by the name of principle. In addition, there is an eternal motion in which the heavens come into being. The earth is aloft, not supported by anything but resting where it is because of its equal distance from everything. Its shape is rounded, circular, like a stone pillar. Of its surfaces, we stand on one while the other is opposite. The heavenly bodies come into being as a circle of fire, separated off from the fire in the world and enclosed by air. There are certain tubular channels or breathing-holes through which the heavenly bodies appear; hence eclipses occur when the breathing-holes are blocked, and the moon appears sometimes waxing and sometimes waning according to whether the channels are blocked or open. The circle of the sun is twenty-seven times greater than the earth and the circle of the moon is eighteen times greater. The sun is highest, the circles of the fixed stars lowest. Animals come into being from moisture evaporated by the sun. Humans originally resembled another type of animal, namely fish. Winds come into being when the finest vapors of air are separated off, collect together and move. Rain comes from vapor sent up by the things beneath the sun. Lightning occurs when wind breaks out and parts the clouds.”
— Hippolytus (c.220), Refutation of All Heresies (Ѻ)

See also
Animal heat
Animal life
Animal thermodynamics

External links
Animal – Wikipedia.

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