Keepप्रस्तोतर्या देवता प्रस्तावमन्वायत्ता तां चेदविद्वान्प्रस्तोष्यसि मूर्धा ते विपतिष्यतीति ॥ १.१०.९ ॥Word by word (12)In plain words"Prastotṛ, if thou singest the Prastāva without knowing the deity that belongs to it, thy head shall fall off."