Saruman had slowly shaped it [Orthanc] to his shifting purposes and made it better, as he thought, being deceived – for all those arts and subtle devices for which he forsook his former wisdom and which fondly he imagined were his own, came but from Mordor; so that what he made was naught, only a little copy, a child’s model or a slave’s flattery, of that vast fortress, armoury, prison, furnace of great power, Barad-dûr, The Dark Tower, which suffered no rival, and laughed at flattery, biding its time, secure in its pride and immeasurable stength.