Ptolemy

Consciousness is the ability to reflect, to ponder, to question our existence.

The meaning of life is found in the connections we make, the love we share, and the wisdom we gain.

The Earth is the center of the Universe, and all celestial bodies revolve around it.

The planets move in epicycles and deferents to explain their retrograde motion.

The stars are fixed on a celestial sphere that rotates around the Earth.

The Sun and Moon also move in epicycles, though simpler ones than the planets.

The Earth is a sphere, but its size is relatively small compared to the celestial spheres.

The apparent motion of the stars is due to the rotation of the celestial sphere, not the Earth.

There are no empty spaces in the heavens; all space is filled with aether.

The order of the planets from Earth is Moon, Mercury, Venus, Sun, Mars, Jupiter, Saturn.

The fixed stars maintain their relative positions to each other.

The precession of the equinoxes is a slow, westward shift of the celestial equator.

The Earth does not move, for if it did, we would observe stellar parallax.

The mathematical models we construct are tools to predict celestial phenomena, not necessarily to describe physical reality.

The apparent irregularities in planetary motion can be explained by combinations of uniform circular motions.

The eccentric and epicyclic models are the most elegant and accurate ways to account for observations.

The purpose of astronomy is to save the phenomena.

The Earth is stationary and at the center of the universe, and this is supported by physical arguments.

The heavens are perfect and unchanging, unlike the corruptible Earth.

The stars are not all at the same distance from Earth, but are fixed on different spheres.