Now Lord Caitanya is describing about the incarnation in this age Kali-yuga. He says personally that, "In the Kali-yuga, in this age, the complexion of the incarnation is pīta-varṇa, yellow color." 'Pīta'-varṇa dhari' tabe kailā pravartana. And what are His activities? Just like Kṛṣṇa, when He was present, His activities were more or less political. He established the Pāṇḍavas on the throne, and He vanquished the other party. And there were many such instances, dharma-saṁsthāpanārthāya (BG 4.8).
Formerly the modes was if the king was pious, naturally the citizens were also pious. And that is a fact. Mahājano yena gataḥ sa panthāḥ (CC Madhya 17.186).
If the leader is all right, the followers also all right. If the leader is a fool, the followers also fool. So in the days bygone, the kings were made as ideal king, and by his ruling capacity, all the citizens, they become nice. So this was Kṛṣṇa's mission, to establish ideal king of the world, and that was Mahārāja Yudhiṣṭhira.
The description of Mahārāja Yudhiṣṭhira you will find in the Śrīmad-Bhāgavatam, how nice he was and how the condition of the world was there. There was, during the reign of Mahārāja Yudhiṣṭhira, even there was no severe cold and severe heat. Sometimes at this present age we are disturbed in so many ways. There are diseases, anxieties, and nature's disturbance. But all these things were completely absent during the reign of Mahārāja Yudhiṣṭhira. That is described. And so far production is concerned, ample production, everything. So Lord Kṛṣṇa's mission was to establish the pious king to rule over the world. So that was His mission in that incarnation.
Now, in this age the incarnation of Kṛṣṇa, Lord Caitanya, His color is, the complexion of the body, is described as yellow. And what does He do? Prema-bhakti dilā loke lañā bhakta-gaṇa. His mission is to give directly the love of God. That's all. His method is so nice that one who follows His method, he very quickly, instantly, he develops love of God. And when one develops love of God, he becomes perfect. Yaṁ labdhvā cāparaṁ lābhaṁ manyate nādhikaṁ tataḥ (BG 6.22).
We are hankering after love. We want to love somebody. That is the nature of living entity. But that love is frustrated in every step.
The culmination of perfection of love can be realized when we understand, when we try to understand and really love Kṛṣṇa. That can be achieved by Kṛṣṇa consciousness. And this Kṛṣṇa consciousness was preached by Lord Caitanya. When you become a lover of Kṛṣṇa, then all your loving propensities, all your desires, all your hankerings will be satisfied. And so long we do not understand what is love of Kṛṣṇa, what is Kṛṣṇa consciousness, we will love false things, and at the end we shall be frustrated. That is the going on. At every step we are being frustrated—still, we do not leave that path. Punaḥ punaś carvita-carvaṇānām (SB 7.5.30). We are repeating the same mistake, same mistake, in every step.