“Only one who can learn the process of nescience and that of transcendental knowledge side by side can transcend the influence of repeated birth and death and enjoy the full blessings of immortality” (Sri Isopanisad, Mantra 11)

"There are many jealous people in the dress of Vaisnavas in this Krsna consciousness movement, and they should be completely neglected".
"A jealous person in the dress of a Vaisnava is not at all happy to see the success of another Vaisnava in receiving the Lord's mercy. Unfortunately in this Age of Kali there are many mundane persons in the dress of Vaisnavas, and Srila Bhaktivinoda Thakura has described them as disciples of Kali. He says, kali-cela. He indicates that there is another Vaisnava, a pseudoVaisnava with tilaka on his nose and kanthi beads around his neck. Such a pseudoVaisnava associates with money and women and is jealous of successful Vaisnavas. Although passing for a Vaisnava, his only business is earning money in the dress of a Vaisnava. Bhaktivinoda Thakura therefore says that such a pseudo-Vaisnava is not a Vaisnava at all but a disciple of Kali-yuga. A disciple of Kali cannot become an acarya by the decision of some high court. Mundane votes have no jurisdiction to elect a Vaisnava acarya. A Vaisnava acarya is self-effulgent, and there is no need for any court judgment. A false acarya may try to override a Vaisnava by a high-court decision, but Bhaktivinoda Thakura says that he is nothing but a disciple of Kali-yuga". (CC Madhya 1.218-219 purports)

"A devotee should have intelligence to know who is deviating. Surrender by your intelligence but don't surrender your intelligence." (SP to Bali Mardana 1974)