Prabhupāda: "Change is the law of nature," that's fine...
Krishna Tiwari: And therefore...
Prabhupāda: ...but one should know the whole duration of change. Just like we know that sunrise, from the morning 'till evening, there are so many changes, but I know what is that changes. That is knowledge.
Krishna Tiwari: That is true, but you...
Prabhupāda: But you cannot say that "I know seventh year. I do not know what is going to happen ninth, eighth year."
Krishna Tiwari: No, that is not the point. Point is that..., point is how to, how long this earth where we all live... Now we're talking about only this earth. How long this earth, we know, existed?
Prabhupāda: I'm not talking of the earth. I'm talking of the whole universe.
Krishna Tiwari: Right. Well, we'll talk about one object first, before we talk about universe next. (laughing)
Prabhupāda: That means you are not in the knowledge.
Krishna Tiwari: No. But some of you, I mean, you want to talk about something, you want to start from something which is easy to comprehend and go further. How is it...
Prabhupāda: Now, the whole universe is one unit.
Krishna Tiwari: Oh, I agree with philosophy...
Prabhupāda: If you study my whole body, you cannot begin studying my nails.
Krishna Tiwari: But you have to study nails.
Prabhupāda: That we, that will include.
Krishna Tiwari: Yes.
Prabhupāda: But, if you study my body, you have to study the whole body, not my nails or my hair.
Krishna Tiwari: No, we have to start somewhere.
Prabhupāda: No. That is...
Ātreya Ṛṣi: The scientific process.