The Mukhya Upaniṣads

Kena · Khaṇḍa 2 · Known in Every Cognition

Mantra 2

नाहं मन्ये सुवेदेति नो न वेदेति वेद च ।यो नस्तद्वेद तद्वेद नो न वेदेति वेद च ॥ २ ॥

In plain words

I do not think, ‘I know It well’; yet I do not think, ‘I do not know It.’ I know It too. Whoever among us understands ‘not that I do not know, and not that I know as an object’—that one knows It.