Prabhupāda: Therefore we say rascals, simply.
Karandhara: Well they would say the chemical composition has been changed.
Prabhupāda: All right, give the chemicals. You are now advanced in knowing the chemicals. Inject the chemicals.
Brahmānanda: Knowledge means that you have to be able to demonstrate it.
Prabhupāda: Yes. That... Otherwise what...
Brahmānanda: Otherwise, its' just...
Prabhupāda: Ācaraṇa. It is called ācaraṇa. Āpani ācari bhakti karila pracāra.
Brahmānanda: They should be able to demonstrate it in a laboratory.
Prabhupāda: Yes. Science says that: "observation and experiment." That is science. You observe how things are going on. And you experiment. Then it is perfect. But you cannot make experiment, you simply observe, that, a child also can also observe, and he can speak something nonsense. Just like in our childhood, we were observing the gramophone box, that within the box there is some man who's singing. And electric fan. I was thinking: There must be some ghost.