πάντα κινῆσαι πέτρον
From LSJ
περὶ ταῦτα οὕτω σφι νενομοθέτηται → it has been so ordained by law
Greek > English (Woodhouse)
leave no stone unturned, move heaven and earth
Russian (Dvoretsky)
привести все камни в движение, т. е. употребить все средства.