The ultimate aim is acyutatmatvam - to think always of the Supreme Personality of Godhead, Krsna, or Visnu. To make advancement in Krsna consciousness, one has to become a brahmana, with the above-mentioned (in SB 7.11.21) symptoms

Expressions researched:
"The ultimate aim is acyutātmatvam—to think always of the Supreme Personality of Godhead, Kṛṣṇa, or Viṣṇu. To make advancement in Kṛṣṇa consciousness, one has to become a brāhmaṇa, with the above-mentioned symptoms"

Srimad-Bhagavatam

SB Canto 7

In the institution of varṇāśrama-dharma, the symptoms of a brāhmaṇa, kṣatriya, vaiśya, śūdra, brahmacārī, gṛhastha, vānaprastha, and sannyāsī are all described. The ultimate aim is acyutātmatvam—to think always of the Supreme Personality of Godhead, Kṛṣṇa, or Viṣṇu. To make advancement in Kṛṣṇa consciousness, one has to become a brāhmaṇa, with the above-mentioned symptoms.

SB 7.11.21, Translation and Purport

The symptoms of a brāhmaṇa are control of the mind, control of the senses, austerity and penance, cleanliness, satisfaction, forgiveness, simplicity, knowledge, mercy, truthfulness, and complete surrender to the Supreme Personality of Godhead.

In the institution of varṇāśrama-dharma, the symptoms of a brāhmaṇa, kṣatriya, vaiśya, śūdra, brahmacārī, gṛhastha, vānaprastha, and sannyāsī are all described. The ultimate aim is acyutātmatvam—to think always of the Supreme Personality of Godhead, Kṛṣṇa, or Viṣṇu. To make advancement in Kṛṣṇa consciousness, one has to become a brāhmaṇa, with the above-mentioned symptoms.