Srila Prabhupada speaks on Srimad-Bhagavatam 1.81.31
Material existence is temporary, illusory and full of miseries. There is no happiness at all. There is just the futile attempt to get rid of the miseries, and temporary cessation of misery is falsely called happiness. Therefore, the path of progressive material enjoyment, which is temporary, miserable and illusory, is inferior. But devotional service to the Supreme Lord, which leads one to eternal, blissful and all-cognizant life, is called the superior quality of occupation. This is sometimes
Srila Prabhupada speaks on Srimad Bhagavatam 1.14.43
Srila Prabhupada Speaks on Srimad Bhagavatam 2.1.1
Srila Prabhupada Speaks on Srimad Bhagavatam 1.15.1
Srila Prabhupada Speaks on Srimad Bhagavatam 1.8.35
Srila Prabhupada Speaks on Srimad Bhagavatam 1.8.32
Srila Prabhupada gives Srimad-Bhagavatam lecture on First Canto, Eighth Chapter, Text