Verse 49

केवलं चित्प्रकाशांशकलिका स्थिरतां गता ।तुर्या चेत्प्राप्यते दृष्टिस्तत्तया सोपमीयते

In plain words

Only if the vision called turya — itself but a bud from a mere fragment of the light of cit, come to steadiness — is attained, can that state be likened, even then, only by means of it.