Although the devotees know these two paths, O Arjuna, they are never bewildered. Therefore be always fixed in devotion.
Author Name:-Sri Ramanuja
Purport
Sri Ramanuja
8.27 Having known these two paths, no Yogin is deluded. On the contrary, he goes by the path of gods, his own path. Therefore, be integrated every day with Yoga called meditation on the path described by the terms starting with light. Next Sri Krsna speaks of the fruit of knowing the import of the Sastras, as taught in the two chapters 7 and 8.
Author Name:-Sri Adi Shankaracharya
Purport
Sri Adi Shankaracharya
8.27 O son of Prtha, na kascana yogi, no yogi whosoever; janan, has known; ete srti, these two courses as described-that one leads to worldly life, and the other to Liberation; muhyati, becomes deluded. Tasmat, therefore; O Arjuna, bhava, be you; yoga-yuktah, steadfast in Yoga; sarvesu kalesu, at all times. Here about the greatness of that yoga: