As if induced by providence, the girl ignorantly pierced those two glowworms with a thorn, and when they were pierced, blood began to ooze out of them.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
ते दैवचोदिता बाला ज्योतिषी कण्टकेन वै । अविध्यन्मुग्धभावेन सुस्रावासृक् ततो बहु
te daivacoditā bālā jyotiṣī kaṇṭakena vai | avidhyanmugdhabhāvena susrāvāsṛk tato bahu
SB 9.3.4