Verse
स तया श्रद्धया युक्तस् तस्याराधनमीहते ।लभते च ततः कामान् मयैव विहितान्हितान् ॥
He endowed with that faith worships that form; and when by the force of that faith in his cult and worship he gets his desires, it is I myself who (in that form) give these fruits.
Gītā 7·22