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OF THE ESSENCE OF THE SUN.
Anaximander says, that the sun is a circle eight and twenty times bigger than the earth, and has a circumference very much like that of a chariot-wheel, which is hollow and full of fire; the fire of which appears to us through its mouth, as by an aperture in a pipe; and this is the sun.

Xenophanes, that the sun is constituted of small bodies of fire compacted together and raised from a moist exhalation, which condensed make the body of the sun; or that it is a cloud enfired.

The Stoics, that it is an intelligent flame proceeding from the sea.

Plato, that it is composed of abundance of fire.