Die Philosophie Herakleitos des Dunklen von Ephesos
Die Philosophie Herakleitos des Dunklen von Ephesos (lit. 'The Philosophy of Heraclitus the Obscure of Ephesus') is an 1857–1858 book by Ferdinand Lassalle, which presents a Hegelian analysis of the pre-Socratic philosopher Heraclitus.