Garudapurana 3.16.50

3.16.50

yadyogyatānusāreṇa vijānāti paraṃ harim /
rudrādau vidyamānāṃśca guṇāñjānāti sarvadā //

According to his eligibility, he knows the supreme Hari, / and he always knows the attributes present in Rudra and the others;