He published works on Leibnitz, empiricism and scepticism in Hume's philosophy, modern pessimism, Kantic criticism, English philosophy, Heraclitus of Ephesus and many other subjects.
The first Greek writer, so far as we know, who does so is Heraclitus (c. 500 B.C.).
Heraclitus again deserves a prominent place in a history of the idea of evolution.
HERACLITUS (`HpaKActTos; c. 540-475 B.C.), Greek philo sopher, was born at Ephesus of distinguished parentage.