We must certainly know that on the absolute plane kṛṣṇa-kathā and Kṛṣṇa are one and the same. The Lord is the Absolute Truth, and therefore His name, form, quality, etc., which are all understood to be kṛṣṇa-kathā, are nondifferent from Him.Bhagavad-gītā, being spoken by the Lord, is as good as the Lord Himself. When a sincere devotee reads Bhagavad-gītā, this is as good as seeing the Lord face to face in his personal presence, but this is not so for the mundane wrangler. All the potencies of the Lord are there when one reads Bhagavad-gītā, provided it is read in the way recommended in the Gītā by the Lord Himself. One cannot foolishly manufacture an interpretation of Bhagavad-gītā and still bring about transcendental benefit. Anyone who tries to squeeze some artificial meaning or interpretation from Bhagavad-gītā for an ulterior motive is not śraddadhāna-puṁsaḥ (one engaged anxiously in bona fide hearing of kṛṣṇa-kathā). Such a person cannot derive any benefit from reading Bhagavad-gīta, however great a scholar he may be in the estimation of a layman. The śraddadhāna, or faithful devotee, can actually derive all the benefits of Bhagavad-gītā because by the omnipotency of the Lord he achieves the transcendental bliss which vanquishes attachment and nullifies all concomitant material miseries. Only the devotee, by his factual experience, can understand the import of this verse spoken by Vidura. The pure devotee of the Lord enjoys life by constantly remembering the lotus feet of the Lord by hearing kṛṣṇa-kathā. For such a devotee there is no such thing as material existence, and the much advertised bliss of brahmānanda is like a fig for the devotee who is in the midst of the transcendental ocean of bliss.
(Srimad Bhagavatam-------3:5:13------purport).

Therefore it is stated here that "My appearance, disappearance and activity and glories, they are divyam." Divyam means transcendental. They do not belong to this world of duality. This world is of duality. But transcendental means that it is above, above this dualism. It is the absolute world. So anyone who understands this fact, that Kṛṣṇa is not different from this sound Kṛṣṇa, Kṛṣṇa is not different from this Bhagavad-gītā, Kṛṣṇa is not different from anything which is connected with Kṛṣṇa... These things are to be understood. The whole world is the representation of the energy—that you will learn in the Seventh Chapter—is the manifestation of the energy of Kṛṣṇa. And it has been described. There are two kinds of energies: the lower energy and the higher energy.
(Lecture on Bhagavad-Gita------4:9-11--------by Srila Prabhupada).

We have already written Caitanya-caritāmṛta, thirteen volumes. You have shown these books? You will find. So, Caitanya Mahāprabhu is also incarnation of Kṛṣṇa, but He is very liberal.
namo mahā-vadānyāya
kṛṣṇa-prema-pradāya te
kṛṣṇāya kṛṣṇa-caitanya-
nāmne gaura-tviṣe namaḥ
(CC.2:19:53)
He is Kṛṣṇa. Kṛṣṇa came, He left behind Him this instruction of Bhagavad-gītā. Yadā yadā hi dharmasya glānir bhavati bhārata tadātmānaṁ sṛjāmy aham (B.G.4:7). We can consult Bhagavad-gītā at any time and we can associate with Kṛṣṇa. Kṛṣṇa and Kṛṣṇa's instruction—nondifferent. When you read Bhagavad-gītā, you'll, if you read very seriously, you will feel Kṛṣṇa is present before you and He is instructing. But unfortunately, although Kṛṣṇa personally appeared and He left behind Him this Bhagavad-gītā to be read by the human society and make his life progressive and be liberated from this material condition of life, we did not care for it.
(Lecture on Bhagavad-Gita------4:13--------by Srila Prabhupada).

So there is no difference between the Deity and the Lord. They're the same. Even this chanting of the name of the Lord is the same.
nāma cintāmaṇiḥ kṛṣṇaś
caitanya-rasa-vigrahaḥ
pūrṇaḥ śuddho nitya-mukto
'bhinnatvān nāma-nāminoḥ
(CC.2:17:133)
The name, fame, form, quality, pastimes, entourage, everything, they are nondifferent. When we read Bhagavad-gītā, you must know when this writing is there, bhagavān uvāca, you must know Bhagavān, Kṛṣṇa, is speaking just before you, immediately. Bhagavān uvāca. In this way you have to understand tattva. Jānāti tattvataḥ.
manuṣyāṇāṁ sahasreṣu
kaścid yatati siddhaye
yatatām api siddhānāṁ
kaścin māṁ vetti tattvataḥ
(B.G.7:3)
Tattva. Tattva means the Absolute is the same either by His name, by His form, by His pastimes, by His entourage—everything absolute same. Advaya-jñāna. Vadanti tat tattva-vidas yaj jñānam advayam (S.B.1:2:11). There is no difference. This is tattva-jñāna.
(Lecture on Bhagavad-Gita------7:1--------by Srila Prabhupada).

Anyone who is absorbed in certain particular business, he's always thinking of that thing. So anyone who is engaged in Kṛṣṇa consciousness, his business is to think of Kṛṣṇa always. Just like you are reading, hearing on this Bhagavad-gītā. It is spoken by Kṛṣṇa. And if you think at home that "This sort of speeches was given by Lord Kṛṣṇa. This is the essence," so that is Kṛṣṇa cintayantaḥ. To think of Bhagavad-gītā is also Kṛṣṇa thinking because Bhagavad-gītā is not different from Kṛṣṇa, absolute. It is from the absolute one. There is no duality. In the absolute sense there is no duality. If I speak something, because I am not speaking in the absolute, therefore my speaking and my self, different. But here I am speaking the words of Lord Kṛṣṇa. Therefore the words of Lord Kṛṣṇa is not different from Kṛṣṇa. So if we think of Bhagavad-gītā, the instructions which we receive from Bhagavad-gītā, that is also thinking of Kṛṣṇa.
(Lecture on Bhagavad-Gita------9:22-23--------by Srila Prabhupada).