Verse 6

आत्मन्येवात्मना व्योम्नि यथा सरति मारुतः ।तथेहात्मात्मशक्त्यैव स्वात्मन्येवैति लोलताम्

In plain words

Just as the wind moves in the sky, in itself and by itself, so here the Self, by the power of its own self alone, within its own self alone, comes to a flickering, tremulous state.