no dejar piedra sobre piedra
From LSJ
ἑτέρως ἠδύνατο βέλτιον ἢ ὡς νῦν ἔχει κατεσκευάσθαι → otherwise they could have been constructed better than they are now (Galen, On the use of parts of the body 4.143.1 Kühn)
Spanish > Greek
πάντα κινῆσαι πέτρον, κινῶ πάντα λίθον, πάντα λίθον κινεῖν, κινεῖν πᾶν χρῆμα