Verse 12

यथा दर्पणवीच्यादौ प्रतिबिम्बानि वस्तुतः ।नासत्यानि च सत्यानि शरीराणि तथात्मनः

In plain words

As reflections in a mirror, in a wave, and the like are, in truth, neither unreal nor real, so are bodies in relation to the self.