Ptolemy

Astronomy Roman-Egyptian 100 – 170 368 quotes

Geocentric model dominated astronomy for 1400 years

Quotes by Ptolemy

The four elements correspond to the four seasons.

Tetrabiblos 150

Longitudes and latitudes define the world's places.

Geography 150

The Mediterranean is the center of the known world.

Geography 150

Music's ratios echo the proportions of the cosmos.

Harmonics 150

Light rays travel in straight lines until refraction.

Optics 150

The rainbow is a refraction in raindrops.

Optics 150

Planetary aspects influence earthly events.

Tetrabiblos 150

The Moon governs tides and temperaments.

Tetrabiblos 150

Celestial mechanics requires precise calculation.

Almagest 150

The precession of equinoxes shifts eras.

Almagest 150

Stars' positions are eternal, yet measured in time.

Almagest 150

Astronomy elevates the mind above mortal concerns.

Almagest 150

The habitable zone lies between tropics.

Geography 150

Winds and climates follow latitudinal bands.

Geography 150

The soul's harmony resonates with cosmic tones.

Harmonics 150

Mirrors reflect the heavens in miniature.

Optics 150

Eclipses foretell changes in kingdoms.

Tetrabiblos 150

The calendar aligns with solar and lunar cycles.

Almagest 150

Observation over centuries refines our models.

Almagest 150

The universe is a perfect sphere of motion.

Almagest 150