Chandogya Upanishad 1.31

अथ खल्वाशीःसमृद्धिरुपसरणानीत्युपासीत येन साम्ना स्तोष्यन्स्यात्तत्सामोपधावेत् ॥ ८ ॥

1.3.8 — atha khalvashihsamriddhirupasarananityupasita yena samna stoshyansyattatsamopadhavet || 8 ||

Next follows the fulfilment of prayers. Let a man thus meditate on the Upasaranas, i. e. the objects which have to be approached by meditation: Let him (the Udgâtri) quickly reflect on the Sâman with which he is going to praise;

अब आशीः-समृद्धि (कामना-पूर्ति के) उपासरण — जिस साम से स्तुति करनी हो, पहले उस साम का मनन (अनुध्यान) करे।