यन्मनसा न मनुते येनाहुर्मनो मतम् ।तदेव ब्रह्म त्वं विद्धि नेदं यदिदमुपासते ॥ ६ ॥
In plain words
That which the mind cannot think, but by which, they say, the mind is known—know That alone as Brahman, not this limited object that people worship.
Kena · Khaṇḍa 1 · The Light Behind Mind and Senses