Tamāla Kṛṣṇa: Yes, he doesn't sleep at this...
Prabhupāda: (break) ...possible for us to challenge the whole world that "You are all fools." Huh? Is it possible?
Harikeśa: Yes.
Gopāla Kṛṣṇa: Based on the scripture. You can show Vedic...
Prabhupāda: No, no, they don't care for Vedic. That is another foolishness. You have to present. You have to prove them fools by practical. And otherwise, "Who cares for your Vedic instruction?" they will say. Why they should... "We have got our own instruction." That is preaching. If you quote simply Vedic literature, they will think, "We can quote many others."