Caitanya-caritāmṛta 20.343
āra tina-yuge dhyānādite yei phala haya kali-yuge kṛṣṇa-nāme sei phala pāya
[aara tina-yuge dhyaanaadite yei phala haya kali-yuge krishna-naame sei phala paaya]
Blended reading (Sanskrit + English inline)
āra tina-yuge dhyānādite yei phala haya kali-yuge kṛṣṇa-nāme sei phala pāya
“In the other three yugas — Satya, Tretā and Dvāpara — people perform different types of spiritual activities. Whatever results they achieve in that way, they can achieve in Kali-yuga simply by chanting the Hare Kṛṣṇa mahā-mantra.
My note
Source: vedabase.io