Verse 19

यथा सत्ताविहीनात्मा पदार्थो नोपलभ्यते ।तथात्मज्ञानहीनात्मा कालो ज्ञस्य न लभ्यते

In plain words

Just as an object whose very nature is devoid of being is never apprehended, so, for the knower, time whose nature is devoid of ātmajñāna is never found at all.