| "In the Golden Age, when everyone was pious, at that time, meditation was recommendation. Meditation. Kṛte yad dhyāyato viṣṇum: meditation on Viṣṇu. Tretāyāṁ yajato makhaiḥ. In the next age, the recommendation was to perform great sacrifices. And the next age was recommended for temple worship, or church worship, or mosque worship. Kṛte yad dhyāyato viṣṇuṁ tretāyāṁ yajato makhaiḥ, dvāpare paricaryāyām. Dvapar... Next age, just the age about five thousand years ago, the age was called Dvāpara-yuga. At that time temple worship was very gorgeous and very successful. Now, in this age, Kali-yuga, which has begun about five thousand years past, in this age, it is recommended, kalau tad dhari-kīrtanāt: you can realize yourself simply by chanting this Hare Kṛṣṇa mantra. And if you take to this simple process, result will be that ceto-darpaṇa-mārjanam (CC Antya 20.12, Śikṣāṣṭaka 1). The rubbish thing which has gathered in your heart will be cleansed."