Mahabharata 12.192.48

ब्राह्मण उवाच · brāhmaṇa uvāca

परमं गृह्यतां तस्य फलं यज्जपितं मयाअर्धं त्वमविचारेण फलं तस्य समाप्नुहि

paramaṃ gṛhyatāṃ tasya phalaṃ yajjapitaṃ mayāardhaṃ tvamavicāreṇa phalaṃ tasya samāpnuhi

Our plain-language meaning of this verse is waiting for scholar review.