πάντα χωρεῖ καὶ οὐδὲν μένει καὶ δὶς ἐς τὸν αὐτὸν ποταμὸν οὐκ ἂν ἐμβαίης → all things move and nothing remains still, and you cannot step twice into the same stream
abundance: P. ἀφθονία, ἡ.
fruitfulness: P. πολυφορία, ἡ (Xen.).
