All rituals, all performances of sacrifices, and everything that is put into the Vedas, including all direction for material activities, are meant for understanding Kṛṣṇa, who is the ultimate goal of life.
(Bhagavad-Gita----3:26----purport).

In every chapter of Bhagavad-gītā, Lord Kṛṣṇa stresses that devotional service unto the Supreme Personality of Godhead is the ultimate goal of life.
(Bhagavad-Gita----18:1----purport).

Lord Śrī Caitanya accepts the Śrīmad-Bhāgavata Purāṇa as the spotless literature for understanding the Lord, and He preaches that the ultimate goal of life for all human beings is to attain the stage of premā, or love of God.
(Srimad Bhagavatam----introduction).

The whole theme of Vedic literature is to know the Supreme Lord, the individual soul, the cosmic situation and the relation between all these items. When the relation is known, the relative function begins, and as a result of such a function the ultimate goal of life or going back to Godhead takes place in the easiest manner.
(Srimad Bhagavatam----1:3:24---purport).

He is the Almighty Personality of Godhead, eternal and unlimited, He is the ultimate goal of life, and by worshiping Him one can end the cause of the conditioned state of existence.
(Srimad Bhagavatam----2:2:6---purport).

Those who are factually engaged in the loving service of the Lord have attained the ultimate goal of life, and for them there is no need of mental speculation to find out the true nature of God or His activities.
(Srimad Bhagavatam----2:7:48---purport).

The ultimate goal of life is not to pass a life of irresponsibility like the animals and indulge in a polished way in the four animal principles, namely eating, sleeping, fearing and mating.
(Srimad Bhagavatam----2:7:52---purport).

The servants of the Lord are actually the servants of society. They have no interest in human society other than to enlighten it in transcendental knowledge; they are interested in imparting knowledge of the relationship of the living being with the Supreme Lord, the activities in that transcendental relationship, and the ultimate goal of human life.
(Srimad Bhagavatam----3:4:25---purport).

A Vaiṣṇava is one who has taken the Supreme Personality of Godhead as the ultimate goal of life, but if one is not pure and still has motives, then he is not a Vaiṣṇava of the first order of good character. One may offer his respects to such a Vaiṣṇava because he has accepted the Supreme Lord as the ultimate goal of life, but one should not keep company with a Vaiṣṇava who is in the mode of ignorance.
(Srimad Bhagavatam----3:29:8---purport).

Since the devotees follow the regulative principles of worship, even though the Lord is there in His physical form, He is nondifferent from His original, spiritual form. Thus the devotee gets the benefit of achieving the ultimate goal of life, that is to say, becoming always absorbed in thought of the Lord.
(Srimad Bhagavatam----4:12:17---purport).

When one understands that the ultimate goal of life is to approach Kṛṣṇa, he realizes Kṛṣṇa within everyone's heart and therefore helps everyone who is interested in Kṛṣṇa consciousness.
(Srimad Bhagavatam----4:23:12---purport).

The ultimate goal of life is Vāsudeva, or Kṛṣṇa.
(Srimad Bhagavatam----4:24:74---purport).

The best course, therefore, is to seek shelter of Kṛṣṇa, the Supreme Personality of Godhead, and be saved from the struggle for existence in this material world, in which one repeatedly takes birth and dies. To reach this understanding is the ultimate goal of life.
(Srimad Bhagavatam----8:2:33---purport).

One can fulfill the ultimate goal of life only by engaging in devotional service to the Lord. Then the Lord will give one proper instructions on how to go back home, back to Godhead.
(Srimad Bhagavatam----8:24:52---purport).

Whatever our condition may be, we should begin chanting immediately. By the power of the Hare Kṛṣṇa mantra, we will gradually be relieved from all material contamination and will get shelter at the lotus feet of Kṛṣṇa, the ultimate goal of life.
(Sri Caitanya Caritamrta----2:25:199----purport).