Prabhupāda: There is fire within the earth, just as there is fire within the stomach-fire. That helps digestion. In the Ayurvedic śāstra, when one does not feel an appetite, it is called agni-māṁdya (indistinct), rest and (indistinct) of the fire.
Devotee: How can the fire within the stomach be increased?
Prabhupāda: You know everything?
Devotee: No.
Prabhupāda: Then?
Hari-śauri: He said that by taking cold milk, that dampens the fire. I thought that was what we said. That's what I was always told.
Devotee: Certain foods are cooling to the stomach.
Prabhupāda: Appetite is increased on account of the fire. The fire creates different secretions: blood. This is a big machine. It is mentioned in Bhagavad-gītā, yantra. How this yantra is working? Electricity, everything, air.
Devotee: Are persons who are trying to cut down appetite, they should eat cool foods?
Prabhupāda: Hm?
Devotee: Persons who are trying to eat less and less for spiritual life, they should...
Prabhupāda: No, less is not spiritual. Whatever you want to eat, your food must be.... Machine is going on by the order of God. It is not after your order. But if you violate laws, then it is disturbed. The more that the fire is disturbed, oblations to the fire—svāhā—that is eaten by God. (indistinct) Grains are offered, fruits are offered, in the fire yajña. It is through the fire, so as the part and parcel of Kṛṣṇa, we have got little fire, we eat through that. In the fire you put tons of grains, tons of ghee—everything will be consumed. Similarly, if the fire is there, whatever you eat...