श्री भगवानुवाच हन्त ते कथयिष्यामि दिव्या ह्यात्मविभूतयः। प्राधान्यतः कुरुश्रेष्ठ नास्त्यन्तो विस्तरस्य मे ॥

hanta te kathayiṣhyāmi divyā hyātma-vibhūtayaḥ prādhānyataḥ kuru-śhreṣhṭha nāstyanto vistarasya me

Blessed be thou! I will declare to thee My divine glory by its chief characteristics, O best of the Kurus; there is no end to details of Me.

In plain words: Krishna blesses Arjuna and agrees to tell him about His divine glory. But He says He will only name the main examples, because there is no end to them.