Verse 146

ध्यानं हि निश्चला बुद्धिर् निराकारा निराश्रया ।न तु ध्यानं शरीराक्षिमुखहस्तादिकल्पना

In plain words

For meditation is held unmoving, formless, resting on nothing; meditation is not the picturing of a body, eyes, face, hands and the rest.