Anaximander

Cosmology Ancient Greek -610 – -546 401 quotes

He proposed an infinite, undefined substance called the 'apeiron' as the origin of the cosmos and a geocentric model.

Quotes by Anaximander

Elements war and reconcile in the grand theater of the cosmos.

Key passage -555

The Earth's stability is a gift of symmetry in the void.

Physics -610

From the boundless depths, the seeds of worlds are sown.

Cosmogenesis -540

The apeiron is the first principle of things. It is eternal and ageless, and it encompasses all the worlds.

On Nature (as reported by Simplicius)

From what source things arise, to that they return of necessity when they are destroyed, 'for they suffer punishment and make reparation to one another for their injustice according to the ordering of time,' as he puts it in somewhat poetical terms.

On Nature (as reported by Simplicius)

The earth is a cylinder, whose depth is one-third of its width.

On Nature (as reported by Hippolytus)

The first animals were born in moisture, enclosed in thorny barks, and when they grew older, they came out into the drier part and, after their bark broke off, lived a short time.

On Nature (as reported by Plutarch)

Man was born from animals of a different species, because other animals are soon self-supporting, and man alone needs a long period of nursing. For this reason, he would not have survived if he had been like this at the beginning.

On Nature (as reported by Plutarch)

The stars are wheels of fire, enclosed in air, and through certain openings, they show forth their flames.

On Nature (as reported by Aetius)

The sun is a circle twenty-eight times the size of the earth, like a chariot wheel, having a hollow felloe full of fire, and showing this fire at a certain place through an opening, as through the nozzle of a bellows.

On Nature (as reported by Hippolytus)

The moon is a circle nineteen times the size of the earth, like a chariot wheel, having a hollow felloe full of fire, and showing this fire at a certain place through an opening, as through the nozzle of a bellows.

On Nature (as reported by Hippolytus)

The earth is suspended in the middle, held up by nothing, but remaining in place on account of its equal distance from all parts.

On Nature (as reported by Hippolytus)

The apeiron is divine, for it is immortal and indestructible.

On Nature (as reported by Aristotle)

The apeiron is without beginning and end.

On Nature (as reported by Aristotle)

The apeiron is the source of all things, and into it all things return.

On Nature (as reported by Simplicius)

The apeiron is not water, nor any other of the so-called elements, but some other nature, indefinite, from which all the heavens and the worlds in them are generated.

On Nature (as reported by Simplicius)

The earth is like a stone pillar.

On Nature (as reported by Aetius)

The first living creatures were generated in the moist element, enclosed in prickly cases.

On Nature (as reported by Censorinus)

The sea is the residue of the primeval moisture, which was evaporated by the sun.

On Nature (as reported by Aetius)

Thunder and lightning are caused by the wind breaking out of a cloud.

On Nature (as reported by Aetius)