Anaxagoras

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All things were together, infinite both in number and in smallness; for the small too was infinite.

Anaxagoras (c. 500 BC – 428 BC) was a Presocratic Greek philosopher, from Clazomenae in Asia Minor. He introduced the concept of Mind (Nous), as an ordering force in the cosmos. He regarded material substance as an infinite multitude of imperishable primary elements, referring all generation and disappearance to mixture and separation respectively.

Sourced[edit]

  • All things were together, infinite both in number and in smallness; for the small too was infinite.
    • Frag. B 1, quoted in John Burnet's Early Greek Philosophy, (1920), Chapter 6.
  • And since these things are so, we must suppose that there are contained many things and of all sorts in the things that are uniting, seeds of all things, with all sorts of shapes and colours and savours
    • Frag. B 4, quoted in John Burnet's Early Greek Philosophy, (1920), Chapter 6.
  • Mind is infinite and self-ruled, and is mixed with nothing, but is alone itself by itself.
    • Frag. B 12, quoted in John Burnet's Early Greek Philosophy, (1920), Chapter 6.
  • The Greeks follow a wrong usage in speaking of coming into being and passing away; for nothing comes into being or passes away, but there is mingling and separation of things that are. So they would be right to call coming into being mixture, and passing away separation.
    • Frag. B 17, quoted in John Burnet's Early Greek Philosophy, (1920), Chapter 6.
  • The sun provides the moon with its brightness.
    • Fragment in Plutarch De facie in orbe lunae, 929b, as quoted in The Riverside Dictionary of Biography (2005), p. 23

Quotes about Anaxagoras[edit]

  • The big bang and the steady state debate in some ways echoed that between the ideas of Anaximander and Anaxagoras from two and a half millennia earlier. Anaxagoras had envisaged that at one time "all things were together" and that the motive force for the universe originated at a single point... Anaximander on the other hand wanted a universe determined by "the infinite" and needed an "eternal motion" to explain the balancing process of things coming into being and passing away in an eternal universe... ancient philosophy was debating the alternatives of a creation event starting the universe from a single point versus a continuous creation in an eternal universe.
    • David H. Clark & Matthew D. H. Clark, in Measuring the Cosmos: How Scientist Discovered the Dimensions of the Universe (2004)
  • Anaxagoras of Clazomenae postulated another element called the aether, which was in constant rotation and carried with it the celestial bodies. He also believed that there was a directing intelligence in nature that he called Nous which gives order to what otherwise would be a chaotic universe. By Nous he meant literally "the Mind of the Cosmos"... Anaxagoras was the last of the Ionian physicists.
  • Anaxagoras held that everything is infinitely divisible, and that even the smallest portion of matter contains some of each element. Things appear to be that of which they contain the most. Thus, for example, everything contains some fire, but we only call it fire if that element preponderates. He argues against the void, saying that the clepsydra or an inflated skin shows that there is air where there seems to be nothing.
  • In science [Anaxagoras] had great merit. It was he who first explained that the moon shines by reflected light... Anaxagoras gave the correct theory of eclipses, and knew that the moon was below the sun. The sun and stars, he said, are fiery stones, but we do not feel the heat of the stars because they are too distant. The sun is larger than the Peloponnesus. The moon has mountains, and (he thought) inhabitants.

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