Topic: Acintya-bhedabheda-tattva
Easy 
A conversation with His Divine Grace A.C. Bhaktivedanta Swami Prabhupada
Devotee: Srila Prabhupada, if material nature is the absence of Krishna, then what is material?
Srila Prabhupada: Nothing is material. If you continue Krishna consciousness, there’s nothing material. When we offer this flower in Krishna consciousness, is it material?
Devotee: No.
Srila Prabhupada: So how has it become...
Medium 
The following conversation between His Divine Grace A. C. Bhaktivedanta Swami Prabhupada and several of his disciples took place in June 1974 in Paris.
Devotees: A man came to the temple a couple of days ago and argued that we really can’t say for sure that there’s life after death, so why worry about it? Better to build a more prosperous society. At least this we can understand, and it would...