Caitanya-caritāmṛta 5.173
caitanya-prabhute tāṅra sudṛḍha viśvāsa nityānanda-prati tāṅra viśvāsa-ābhāsa
[chaitanya-prabhute taanra sudridha vishvaasa nityaananda-prati taanra vishvaasa-aabhaasa]
Blended reading (Sanskrit + English inline)
caitanya-prabhute tāṅra sudṛḍha viśvāsa nityānanda-prati tāṅra viśvāsa-ābhāsa
My brother had firm faith in Lord Caitanya but only a dim glimmer of faith in Lord Nityānanda.
My note
Source: vedabase.io