Contrary to the Milesian school, which posits one stable element as the arche, Heraclitus taught that panta rhei ("everything flows"), the closest element to this eternal flux being fire.
Matentangan ngajak aliran Milesian, sane ngegenahang asiki elemen stabil dados Arche, Heraclitus ngajahin bahwa Panta Rhei (Makejang Mengalir), pinaka elemen sane pinih nampek ngajak aliran abadi niki inggih punika teja.