पृथुशिलासंहतं वा शैलं कारयेत् न त्वेव काष्टमयम् ॥ कZ_०२.३.०८ ॥
pṛthuśilāsaṃhataṃ vā śailaṃ kārayet na tveva kāṣṭamayam
Debe mandarse construirlo de piedra—ya sea con grandes losas de piedra estrechamente unidas, o de piedra maciza; pero no de madera.
Timber increases vulnerability to fire, decay, and enemy sabotage; stone improves survivability under siege and reduces maintenance risk.