"There is nothing good within this material world; everything is bad. So we have manufactured something good and something bad. Here... Because in the Bhagavad-gītā we understand this place is duḥkhālayam aśāśvatam (BG 8.15). This place is for misery. So how you can say, in miserable condition, how you can say that "This is good" or "This is bad." Everything is bad. So those persons who do not know—the material, conditional life—they manufacture something, "This is good, this is bad," because they do not know everything here is bad, nothing good. One should be very much pessimistic of this material world. Then he can make advance in spiritual life.
Duḥkhālayam aśāśvatam (BG 8.15). This place is full of miseries, and if you study analytically, you'll find simply miserable condition. Therefore the whole problem is that we should give up our material conditional life, and in Kṛṣṇa consciousness we should try to elevate ourself to the spiritual platform and thereby be promoted to the kingdom of Godhead, yad gatvā na nivartante tad dhāmaṁ paramaṁ mama (BG 15.6), where going, nobody comes back to this miserable world. And that is the supreme abode of the Lord."
(Srila Prabhupada Lecture, Los Angeles, December 9, 1968)
Compiled by Padmapani das