Srimad Bhagavatam: Canto 05, Chapter 11 – Jada Bharata Instructs King Rahugana

01. Material activities are simply external activities because

a)   By placing one’s faith on it, spiritual advancement does not manifest
b)   It is like a dream where in a person eventually realizes that actually it is all false
c)   By this the living entity remains in the material world to enjoy and suffer material pains and pleasures
d)   All the above