HERACLITUS COMES DOWN TO US ONLY AS FRAGMENTS!

Most of the Presocratics are ONLY KNOWN THROUGH THE PARTIAL QUOTATIONS MADE FROM THEIR ORIGINAL WORKS WHICH ARE NOW LOST!

We know ARISTOTLE'S works from ... LECTURE NOTES!

Nietzsche's favourite writing was aphoristic fragments such as those Lichtenberg, La Rochefoucauld etc.,

'The Will To Power' has, since Heidegger's work on it, been recognised as Nietzsche's CENTRAL text.