The Vedic literatures are made by and are meant for the Supreme Lord, the demigods are also meant for serving the Lord as parts of His body, the different planets are also meant for the sake of the Lord, and different sacrifices are performed just to please Him.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
नारायणपरा वेदा देवा नारायणाङ्गजाः । नारायणपरा लोका नारायणपरा मखाः
nārāyaṇaparā vedā devā nārāyaṇāṅgajāḥ | nārāyaṇaparā lokā nārāyaṇaparā makhāḥ
SB 2.5.15