Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 5 · Portents, Comets
ग्रहचारः केतवश्च
क्षुच्छस्त्रानलचौरेभ्यो भयदः प्राणिनां तदा ।याम्याग्निधातृवायव्यधिष्ण्येषु प्राकृता गतिः ॥ ४४ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 44.
... then it brings living beings fear of hunger, weapons, fire and thieves. In Bharani, Krittika, Rohini and Svati, Mercury's path is the natural one.
Simple meaning: Mercury splitting a Purva star brings fear of hunger and thieves. Its path is natural in four stars.
रौद्रेन्दुसार्पपित्र्येषु ज्ञेया मिश्राह्वया गतिः ।
Mercury's path is mixed in some stars and short in others.
गतिस्तीक्ष्णाजचरणाहिर्बुध्न्यभाश्रिभेषुया ।
Mercury's path is sharp in some stars and Yogantika in others.
घोरा गतिर्हरित्वाष्ट्रवसुवारुणभेषु च ।
Mercury's path is fierce in some stars and bad in others.