Prabhupāda: That is the function of the mind, thinking, feeling and willing. Psychological activity.
Dr. Weir: Do you differentiate them separately?
Prabhupāda: Oh, yes.
Dr. Weir: And intuition as well?
Prabhupāda: Saṅkalpa, vikalpa. This is, in Sanskrit it is called saṅkalpa, vikalpa or accepting and rejecting. That is mind's function. I think something and again I reject it.
Dr. Weir: Well, you also react too.
Prabhupāda: You can say what you like but the function of the mind is flickering. Just like when Arjuna was advised by Kṛṣṇa to train the mind by meditation, by yoga system. He said that "Kṛṣṇa, it is very difficult for me." Cañcalaṁ hi manaḥ kṛṣṇa pramāthi balavad dṛḍham (BG 6.34). My mind is very, I mean to say, agitated. I think to control the mind is as impossible as controlling the wind. Cañcalaṁ hi manaḥ kṛṣṇa pramāthi ba..., vāyor iva suduṣkaram. And it is very difficult to (indistinct) high wind and if you want to control it, as it is impossible. Similarly I think the activities of the mind, thinking, feeling and willing, to control them is very difficult for me. So actually that is the position. So long we shall be on the mental platform there will be no fixity of conclusion. That is not possible. We have to accept something for the time being, then again reject it. Therefore all mental speculators differ. Nāsau munir yasya mataṁ na... A philosopher is not philosopher until he differs from other philosophers. Nāsau munir yasya mataṁ na... Unless you place a different thesis he will not be accepted as a good philosopher.