Full Idea
The earth is and always has been an insentient being.
Gist of Idea
The earth is and always has been an insentient being
Source
Lucretius (On the Nature of the Universe [c.60 BCE], II.658)
Book Reference
Lucretius: 'On the Nature of the Universe', ed/tr. Latham,Ronald [Penguin 1951], p.79
A Reaction
The fact that Epicurus needs to deny this shows that some idea close to panpsychism must still have been around in his time. He is discussing gods at the time, so maybe pantheism was the view being attacked, but that is a subset of panpsychism.