Srila Prabhupada's advice.

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True intelligence is shown by one’s freedom from false identification of the self.

As stated in the Bṛhaspati-saṁhitā:

ajñāta-bhagavad-dharmā
mantra-vijñāna-saṁvidaḥ
narās te go-khara jñeyā
api bhū-pāla-vanditāḥ

“Men who do not know the principles of devotional service to the Supreme Lord should be known as cows and asses, even if they are expert in technically analyzing Vedic mantras and are adored by world leaders.”

An imperfect Vaiṣṇava advancing toward the second-class platform identifies himself with the sages who have established the true spiritual path, even while he still may have some inferior material attachments to body, family and so on. Such a devotee of the Lord is not a foolish cow or stubborn ass like the majority of materialists. But most excellent is the Vaiṣṇava who has gained the special mercy of the Lord and broken free from the bondage of illusory attachments altogether.

https://vedabase.io/en/library/sb/10/84/13/

ŚB 2.10.6

निरोधोऽस्यानुशयनमात्मन: सह शक्तिभि: ।
मुक्तिर्हित्वान्यथारूपं स्वरूपेण व्यवस्थिति: ॥ ६ ॥

nirodho ’syānuśayanam
ātmanaḥ saha śaktibhiḥ
muktir hitvānyathā rūpaṁ
sva-rūpeṇa vyavasthitiḥ

Synonyms

nirodhaḥ — the winding up of the cosmic manifestation; asya — of His; anuśayanam — the lying down of the puruṣa incarnation Mahā-Viṣṇu in mystic slumber; ātmanaḥ — of the living entities; saha — along with; śaktibhiḥ — with the energies; muktiḥ — liberation; hitvā — giving up; anyathā — otherwise; rūpam — form; sva-rūpeṇa — in constitutional form; vyavasthitiḥ — permanent situation.

Translation

The merging of the living entity, along with his conditional living tendency, with the mystic lying down of the Mahā-Viṣṇu is called the winding up of the cosmic manifestation. Liberation is the permanent situation of the form of the living entity after he gives up the changeable gross and subtle material bodies.

Purport

As we have discussed several times, there are two types of living entities. Most of them are ever liberated, or nitya-muktas, while some of them are ever conditioned. The ever-conditioned souls are apt to develop a mentality of lording over the material nature, and therefore the material cosmic creation is manifested to give the ever-conditioned souls two kinds of facilities. One facility is that the conditioned soul can act according to his tendency to lord it over the cosmic manifestation, and the other facility gives the conditioned soul a chance to come back to Godhead. So after the winding up of the cosmic manifestation, most of the conditioned souls merge into the existence of the Mahā-Viṣṇu Personality of Godhead, lying in His mystic slumber, to be created again in the next creation. But some of the conditioned souls, who follow the transcendental sound in the form of Vedic literatures and are thus able to go back to Godhead, attain spiritual and original bodies after quitting the conditional gross and subtle material bodies. The material conditional bodies develop out of the living entities’ forgetfulness of their relationship with Godhead, and during the course of the cosmic manifestation, the conditioned souls are given a chance to revive their original status of life with the help of revealed scriptures, so mercifully compiled by the Lord in His different incarnations. Reading or hearing of such transcendental literatures helps one become liberated even in the conditional state of material existence. All the Vedic literatures aim at devotional service to the Personality of Godhead, and as soon as one is fixed upon this point, he at once becomes liberated from conditional life. The material gross and subtle forms are simply due to the conditioned soul’s ignorance and as soon as he is fixed in the devotional service of the Lord, he becomes eligible to be freed from the conditioned state. This devotional service is transcendental attraction for the Supreme on account of His being the source of all pleasing humors. Everyone is after some pleasure of humor for enjoyment, but does not know the supreme source of all attraction (raso vai saḥ rasaṁ hy evāyaṁ labdhvānandī bhavati). The Vedic hymns inform everyone about the supreme source of all pleasure: the unlimited fountainhead of all pleasure is the Personality of Godhead. And one who is fortunate enough to get this information through transcendental literatures like Śrīmad-Bhāgavatam becomes permanently liberated to occupy his proper place in the kingdom of God.

https://vedabase.io/en/library/sb/2/10/6/

Text 14:

 

As pouring water on the root of a tree energizes the trunk, branches, twigs and everything else, and as supplying food to the stomach enlivens the senses and limbs of the body, simply worshiping the Supreme Personality of Godhead through devotional service automatically satisfies the demigods, who are parts of that Supreme Personality.

ŚB 4.31.14

यथा तरोर्मूलनिषेचनेन
तृप्यन्ति तत्स्कन्धभुजोपशाखा: ।
प्राणोपहाराच्च यथेन्द्रियाणां
तथैव सर्वार्हणमच्युतेज्या ॥ १४ ॥

yathā taror mūla-niṣecanena
tṛpyanti tat-skandha-bhujopaśākhāḥ
prāṇopahārāc ca yathendriyāṇāṁ
tathaiva sarvārhaṇam acyutejyā

Synonyms

yathā — as; taroḥ — of a tree; mūla — the root; niṣecanena — by watering; tṛpyanti — are satisfied; tat — its; skandha — trunk; bhuja — branches; upaśākhāḥ — and twigs; prāṇa — the life air; upahārāt — by feeding; ca — and; yathā — as; indriyāṇām — of the senses; tathā eva — similarly; sarva — of all demigods; arhaṇam — worship; acyuta — of the Supreme Personality of Godhead; ijyā — worship.

Translation

As pouring water on the root of a tree energizes the trunk, branches, twigs and everything else, and as supplying food to the stomach enlivens the senses and limbs of the body, simply worshiping the Supreme Personality of Godhead through devotional service automatically satisfies the demigods, who are parts of that Supreme Personality.

Purport

Sometimes people ask why this Kṛṣṇa consciousness movement simply advocates worship of Kṛṣṇa to the exclusion of the demigods. The answer is given in this verse. The example of pouring water on the root of a tree is very appropriate. In Bhagavad-gītā (15.1) it is said, ūrdhva-mūlam adhaḥ-śākham: this cosmic manifestation has expanded downward, and the root is the Supreme Personality of Godhead. As the Lord confirms in Bhagavad-gītā (10.8), ahaṁ sarvasya prabhavaḥ: “I am the source of all spiritual and material worlds.” Kṛṣṇa is the root of everything; therefore rendering service to the Supreme Personality of Godhead, Kṛṣṇa (kṛṣṇa-sevā), means automatically serving all the demigods. Sometimes it is argued that karma and jñāna require a mixture of bhakti in order to be successfully executed, and sometimes it is argued that bhakti also requires karma and jñāna for its successful termination. The fact is, however, that although karma and jñāna cannot be successful without bhakti, bhakti does not require the help of karma and jñāna. Actually, as described by Śrīla Rūpa Gosvāmī, anyābhilāṣitā-śūnyaṁ jñāna-karmādy-anāvṛtam: pure devotional service should not be contaminated by the touch of karma and jñāna. Modern society is involved in various types of philanthropic works, humanitarian works and so on, but people do not know that these activities will never be successful unless Kṛṣṇa, the Supreme Personality of Godhead, is brought into the center. One may ask what harm there is in worshiping Kṛṣṇa and the different parts of His body, the demigods, and the answer is also given in this verse. The point is that by supplying food to the stomach, the indriyas, the senses, are automatically satisfied. If one tries to feed his eyes or ears independently, the result is only havoc. Simply by supplying food to the stomach, we satisfy all of the senses. It is neither necessary nor feasible to render separate service to the individual senses. The conclusion is that by serving Kṛṣṇa (kṛṣṇa-sevā), everything is complete. As confirmed in Caitanya-caritāmṛta (Madhya 22.62), kṛṣṇe bhakti kaile sarva-karma kṛta haya: if one is engaged in the devotional service of the Lord, the Supreme Personality of Godhead, everything is automatically accomplished.

https://vedabase.io/en/library/sb/4/31/14/

64 results of chanting Hare Kṛṣṇa as explained by Śrīla Prabhupāda