ἐν πέτροισι πέτρον ἐκτρίβων → by grinding stone against stones
Tīsicrătes: is, m., = Τισικράτης,>I a sculptor of Sicyon, father of the painter Arcesilas, Plin. 34, 8, 19, § 67; 35, 11, 40, § 146.
