All glories to Srila Prabhupada !!!
In Adi purana, Lord Sri Krishna says to Arjuna,
ye me bhakta-janäù pärtha
na me bhaktäç ca te janäù
mad-bhaktänäà ca ye bhaktäs
te me bhakta-tamä matäù
Those who are My direct devotees are actually not My devotees, but those who are the devotees of My servant are factually My devotees.
Any one has this "Adi purana", if you have please share.