The Shelves · Philosophy

On Nature (the 'book' of Heraclitus)

Περὶ φύσεως

Known · Probablein Alexandria?Conjecturedvery likely class

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I · The entry, in his form

In the table of Philosophy

Conjecturedvery likely class

Heraclitus of Ephesus

On Nature

Περὶ φύσεως

Opening words not preserved.

Length: not counted

Above, his entry form, filled from what we know. Below, ours.

II · Does it survive? Where to read it

Survives in fragments

About 130 fragments, quoted by later authors (Diels-Kranz 22).

Was it in Alexandria?

Known · Probable

Probably held in the Library.

In the cupboard: no source names the Alexandrian copy, but its scholars' use of it makes one very likely.

Read it today

III · In the show

The show has not yet spoken of this work.

IV · Sources and the living entry

Ancient references (2)
  • Diogenes Laertius 9.1-17
  • Clement, Stromata (many fragments)
Modern scholarship (2)
  • G. S. Kirk, J. E. Raven and M. Schofield, The Presocratic Philosophers, 2nd ed. (Cambridge: Cambridge University Press, 1983).
  • A. Laks and G. W. Most (eds), Early Greek Philosophy, 9 vols (Loeb Classical Library 524-532; Cambridge, MA: Harvard University Press, 2016).

Entry checked 31 Oct 2026 · no corrections · Suggest a correction ›

ΠΕΡΙ ΦΥΣΕΩΣ

Beside it in the cupboard