The destruction of the snakes in the sacrifice (of Janamejaya) has been told in the Purana.” Saying this, the Divine creator of the Universe propitiated Kashyapa and bestowed on the knowledge of neutralising poison. that great man
दृष्टं पुरातनं ह्येतद्यज्ञे सर्पविनाशनम्। इत्युक्त्वा सृष्टिकृदेवस्तं प्रसाद्य प्रजापतिम्। प्रादाद्विषहरी विद्यां कश्यपाय महात्मने॥