Plato, Republic 1.334 a

 

 

“One is a good thief of whatever he is good at guarding.”

 

ὅτου τις ἄρα δεινὸς φύλαξ, τούτου καὶ φὼρ δεινός.

 

Parmenides, fr. 6.16

 

 

“The path of all things goes backwards.”

 

 

…πάντων δὲ παλίντροπός ἐστι κέλευθος.