Anything done as sacrifice, charity, or penance without faith in the supreme, O son of Partha, is impermanent. It is called asat and is useless both in this life and the next.- Lord Sri Krishna Bhagavad-gita 17.28
O my lord [Krishna], may I have the association of your devotees, which is a sharp sword that cuts the bonds of repeated birth and death and is the only way to attain a place at your lotus feet. Please give me devotional service to your lotus feet birth after birth.- Sri yamaraja Brahma-vaivarta Purana 4.6.24
Although Vaisnavas appear in poor families within this world to teach the fallen and wretched living entities to worship Hari [Krishna], they are not actually poor. the purpose of such pastimes is to demonstrate how one can worship Hari in spite of being born in a poor family. the characteristics of Vaisnavas are incomprehensible to the materialists.- Srila Bhaktisiddhanta Sarasvati Thakura Sri Caitanya-bhagavata Madhya-khanda, Chapter 9, summary
Whatever is in Krishna is in His holy name, for the two are nondifferent. the name is eternally free from material contamination and spiritually situated in a state of pure goodness (suddha-sattva) like Krishna. though descending into the material world, the name remains pure, eternal, and the embodiment of the highest sweetness (rasa).- Srila Haridasa Thakura Sri Harinama Cintamani, Chapter 2
O King, as I remember the wonderful form of lord Krishna, I am struck with wonder more and more, and I rejoice again and again.- Sri sanjaya Bhagavad-gita 18.77
Whenever pure topics of the transcendental world are discussed, the members of the audience forget all kinds of material hankerings, at least for the time being. Not only that, but they are no longer envious of one another, nor do they suffer from anxiety or fear. the Pracetas – Srimad-Bhagavatam 4.30.35