Srila Prabhupada Chanting Japa 64 rounds | Prabhupada Japa video with counting.

"One whose faith is soft and pliable is called a neophyte, but by gradually following the process he will rise to the platform of a first-class devotee.

Sources : https://vaniquotes.org/wiki/Sixty-four_rounds & https://vanisource.org/wiki/CC_Madhya_22.69