On Nature (Περὶ Φύσεως, Peri Physeos) is the name of several works of ancient philosophy:
On Nature (Anaximander) On Nature (Empedocles) On Nature (Epicurus) On Nature (Heraclitus) On Nature (Melissus) On Nature (Parmenides) On Nature (Philolaus) On Nature (Zeno)
See also Physis, a Greek philosophical, theological, and scientific term, usually translated into English as 'nature' Pseudo-Zeno