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“The gopīs used to relish the beauty of Kṛṣṇa as a ceremony of perpetual enjoyment. They enjoyed the beautiful face of Kṛṣṇa, His beautiful ears with earrings, His broad forehead and His smile, and when enjoying this sight of Kṛṣṇa’s beauty, they used to criticize the creator Brahmā for causing their vision of Kṛṣṇa to be momentarily impeded by the blinking of their eyelids.” (Teachings of Lord Caitanya Chapter 10)
The beauty of Lord Kṛṣṇa increases at the sight of the beauty of the gopīs. And the more the gopīs see Lord Kṛṣṇa’s beauty, the more their beauty increases. (Cc. Adi 4.192)
“May the pastimes of Śrī Kṛṣṇa reduce the miseries existing in the material world and nullify all unwanted desires. The pastimes of the Supreme Personality of Godhead are like śikhariṇī, a blend of yogurt and sugar candy. They overpower the pride of even the nectar produced on the moon, for they distribute the sweet fragrance of the concentrated loving affairs of Śrīmatī Rādhārāṇī and the gopīs.” (Cc. Antya 1.128)