Mahabharata 13.17.16

इदं भक्ताय दातव्यं श्रद्दधानास्तिकाय चनाश्रद्दधानरूपाय नास्तिकायाजितात्मने

idaṃ bhaktāya dātavyaṃ śraddadhānāstikāya canāśraddadhānarūpāya nāstikāyājitātmane

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