From Tus, al-Tusi went to Nishapur which is 75 km west of Tus. Nishapur was a good choice for al-Tusi to complete his education since it was an important centre of learning.
Mula sa Tus, al-Tusi napunta sa Nishapur na kung saan ay 75 km kanluran ng Tus. Nishapur ay isang magandang pagpipilian para sa al-Tusi upang makumpleto ang kanyang edukasyon dahil ito ay isang mahalagang sentro ng pag-aaral.