Caitanya Caritamrta—Madhyalila-15.108—- For conditioned souls to do devotional service, deity worship is necessary.
929) Whether I know how to acquire the qualities of a brahmana! Taught by Srila Prabhupada!
The Bhakti-sandarbha (298) gives the following quotation from the Tattva-sägara:
yathä käncanatäm yäti kämsyam rasa-vidhänatah
tathä diksä-vidhänena dvijatvam jäyate nrnäm
“‘By chemical manipulation, bell metal is turned into gold when touched by mercury; similarly, when a person is properly initiated, he can acquire the qualities of a brähmana.’” ———–———–