Verse 18

हरिरात्मा हि भूतानां तस्य यत्प्रतिभासते ।तत्तथैव भवत्याशु सर्वमात्मैव कारणम्

In plain words

Hari indeed is the ātman of all beings; whatever appears to him becomes exactly so at once -- the ātman alone is the cause of everything.