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Strato of Lampsacus
""Strato Nuremberg Chronicle.jpg
Strato, depicted as a medieval scholar in the "Nuremberg Chronicle
Born c. 335 BC
Died c. 269 BC
Era "Ancient philosophy
Region Western Philosophy
"School "Peripateticism
Main interests
"Natural philosophy, "Physics

Strato of Lampsacus ("/ˈstrt/; "Greek: Στράτων ὁ Λαμψακηνός, Straton ho Lampsakenos, c. 335 – c. 269 BC) was a "Peripatetic "philosopher, and the third director ("scholarch) of the "Lyceum after the death of "Theophrastus. He devoted himself especially to the study of "natural science, and increased the "naturalistic elements in "Aristotle's thought to such an extent, that he denied the need for an active god to construct the "universe, preferring to place the government of the universe in the unconscious force of "nature alone.



Strato, son of Arcesilaus or Arcesius, was born at "Lampsacus between 340 and 330 BC.[1] He might have known "Epicurus during his period of teaching in Lampsacus between 310 and 306.[1] He attended Aristotle's school in "Athens, after which he went to "Egypt as tutor to "Ptolemy, where he also taught "Aristarchus of Samos. He returned to Athens after the death of "Theophrastus (c. 287 BC), succeeding him as head of the "Lyceum. He died sometime between 270 and 268 BC,.[1]

Strato devoted himself especially to the study of natural science, whence he obtained, or, as it appears from "Cicero, assumed the name of Physicus ("Greek: Φυσικός). Cicero, while speaking highly of his talents, blames him for neglecting the most important part of philosophy, that which concerns virtue and morals, and giving himself up to the investigation of nature.[2] In the long list of his works, given by "Diogenes Laërtius, several of the titles are upon subjects of moral philosophy, but the great majority belong to the department of physical science. None of his writings survive, his views are known only from the fragmentary reports preserved by later writers.


"Aristotle, "Theophrastus, and Strato. Part of a fresco in the "National University of Athens.

Strato emphasized the need for exact "research,[3] and, as an example of this, he made use of the observation of how water pouring from a spout breaks into separate "droplets as evidence that falling bodies "accelerate.[4]

Whereas "Aristotle defined "time as the numbered aspect of "motion,[5] Strato argued that because motion and time are continuous whereas number is discrete, time has an existence independent of motion.[6] He was critical of Aristotle's concept of "place as a surrounding surface,[7] preferring to see it as the space which a thing occupies.[8] He also rejected the existence of Aristotle's "fifth element.[9]

He emphasized the role of "pneuma, ('breath' or 'spirit') in the functioning of the "soul; soul-activities were explained by pneuma extending throughout the body from the 'ruling part' located in the head.[10] All sensation is felt in the ruling-part of the soul, rather than in the extremities of the body; all sensation involves "thought, and there is no thought not derived from sensation.[11] He denied that the soul was immortal, and attacked the 'proofs' put forward by "Plato in his "Phaedo.[3]

Strato believed all matter consisted of tiny particles, but he rejected "Democritus' theory of empty space. In Strato's view, "void does exist, but only in the empty spaces between imperfectly fitting particles; Space is always filled with some kind of matter.[12] Such a theory permitted phenomena such as "compression, and allowed the penetration of "light and "heat through apparently solid bodies.[7]

He seems to have denied the existence of any god outside of the material universe, and to have held that every particle of matter has a plastic and seminal power, but without sensation or intelligence; and that life, sensation, and intellect, are but forms, accidents, and affections of matter. Cicero took exception to this:

Nor does his pupil Strato, who is called the "natural philosopher, deserve to be listened to; he holds that all divine force is resident in nature, which contains, he says, the principles of birth, increase, and decay, but which lacks, as we could remind him, all sensation and form.[13]

Like the "atomists ("Leucippus and "Democritus) before him, Strato of Lampsacus was a materialist and believed that everything in the universe was composed of matter and energy. Strato was one of the first philosophers to formulate a "secular worldview, in which God is merely the unconscious force of nature.

You deny that without God there can be anything: but here you yourself seem to go contrary to Strato of Lampsacus, who concedes to God a pardon from a great task. If the priests of God were on vacation, it is much more just that the Gods would also be on vacation; in fact he denies the need to appreciate the work of the Gods in order to construct the world. All the things that exist he teaches have been produced by nature; not hence, as he says, according to that philosophy which claims these things are made of rough and smooth corpuscles, indented and hooked, the void interfering; these, he upholds, are dreams of Democritus which are not to be taught but dreamt. Strato, in fact, investigating the individual parts of the world, teaches that all that which is or is produced, is or has been produced, by weight and motion. Thus he liberates God from a big job and me from fear.[14]

Strato endeavoured to replace the Aristotelian "teleology by a purely physical explanation of phenomena, the underlying elements of which he found in "heat and "cold, with especially heat as the active principle.[3] Although Strato's view of the universe can be seen as secular, he may have accepted the existence of gods within the universe, in the context of "ancient Greek religion; it is unlikely that he would have regarded himself as an "atheist.[15]


As quoted from "Charles Lyell's "Principles of Geology:

"Strabo passes on to the hypothesis of Strato, the natural philosopher, who had observed that the quantity of mud brought down by rivers into the Euxine was so great, that its bed must be gradually raised, while the rivers still continued to pour in an undiminished quantity of water. He therefore conceived that, originally, when the Euxine was an inland sea, its level had by this means become so much elevated that it burst its barrier near Byzantium, and formed a communication with the Propontis, and this partial drainage had already, he supposed, converted the left side into marshy ground, and that, at last, the whole would be choked up with soil. So, it was argued, the Mediterranean had once opened a passage for itself by the Columns of Hercules into the Atlantic, and perhaps the abundance of sea-shells in Africa, near the Temple of "Jupiter "Ammon, might also be the deposit of some former inland sea, which had at length forced a passage and escaped.[16]

Also following the reference of "Georgius Agricola Strato of Lampsacus, the successor of Theophrastus, wrote a book on the subject of metallic arts called De Machinis Metallicis.[17]

Modern era[edit]

Strato's name meant little in the Middle Ages and the Renaissance, however, in the 17th century his name suddenly became famous because of the supposed similarities between his system and the "pantheistic views of "Spinoza.[18] "Ralph Cudworth, in choosing to "attack atheism in 1678, chose Strato's system as one of four types of atheism, and in doing so, coined the term "hylozoism to describe any system where primitive matter is endowed with a life-force.[19] These ideas reached "Pierre Bayle, who adopted Strato and 'Stratonism' as key components of his own philosophy.[20] In his Continuation des Pensées diverses, published in 1705, Stratonism had become the most important ancient equivalent of "Spinozism.[21] For Bayle, Strato had made everything follow a fixed order of necessity, with no innate good or bad in the universe; the universe is not a living thing with intelligence or intent, and there is no other divine power but nature.[22]


  1. ^ a b c Dorandi 2005, p. 36
  2. ^ Cicero, Acad. Quaest. i. 9; de Finibus, v. 5.
  3. ^ a b c Zeller, Nestle & Palmer 2000, p. 204
  4. ^ "This experiment goes back to a passage in "Simplicius' Commentary on the Physics, where it is said that Strato of Lampsacus, had offered this "experiment" of pouring water from a spout as evidence of the fact that falling bodies are accelerated." Grant 1974, p. 227
  5. ^ Aristotle, Physics, 4.11 219b5
  6. ^ Furley 2003, p. 156
  7. ^ a b Furley 2005, p. 416
  8. ^ Furley 2003, p. 157
  9. ^ Furley 2005, p. 417
  10. ^ Furley 2003, p. 162
  11. ^ Furley 2003, p. 163
  12. ^ Algra 1995, p. 58ff
  13. ^ Cicero, De Natura Deorum, i. 13.
  14. ^ Cicero, Lucullus, 121. quoted in Reale & Catan 1985, p. 103
  15. ^ Israel 2006, p. 454
  16. ^ Charles Lyell, Principles of Geology, 1832, p.20-21
  17. ^ Georgius Agricola, De Re Metallica, from English traduction written by Herbert Clark Hoover and Lou Henry Hoover, p. xxvi
  18. ^ Israel 2006, p. 445
  19. ^ Erdmann 2002, p. 101
  20. ^ Israel 2006, p. 447
  21. ^ Israel 2006, p. 450
  22. ^ Israel 2006, p. 451


Further reading[edit]

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