Jivasya tattva-jijnasa, jiva, those who are conditioned souls, their only business is to enquire about self-realization. The piling of woods and stone is not advanced civilization. My Guru Maharaja used to say, kath pathare mistri. If you are simply engaged how to have a skyscraper building, then we become craftsmen only, how to handle woods and stones, that's all. So much success but what we'll do with this woods and stones? You are spirit soul. Woods and stone will not give you any pleasure. That is not possible. You are not wood and stone, you are spirit soul, you must have spiritual food. Therefore in America especially, despite all material opulences, there you are becoming confused and frustrated and disappointed. Because woods and stone will not satisfy you. You must have spiritual food, that is Srimad-Bhagavatam.
Lecture on Srimad Bhagavatam 1.1.1, New-York, 6 July, 1972