In Kali-yuga, chanting the holy names alone suffices; no other path to liberation exists.Listen — Srila Prabhupada Uvaca
Prabhupāda: We are discussing some subject matter from Reader's Digest about the next two hundred years, how things will happen. The scientist proposing that they'll control the laws of nature, and they will produce food from garbage—so many fantastic ideas. But our suggestion, according to Caitanya Mahāprabhu, harer nāma harer nāma harer nāma iva kevalam kalau nāsty eva nāsty eva nāsty eva gatir anyathā [Cc. Ādi 7.76] [end]