זוהר ויקרא — דף לט ע”ב

It is explained that the verse "and your palate is like the best wine" is said of the Community of Israel, and that the Holy One, blessed be He, praises the Community of Israel just as she praises Him. "It goes to my beloved" refers to Isaac, who is called "friend from the womb," and "smoothly" means that left is included in right, for it is through the joy of that good wine that left is included in right and all rejoice.<br />
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Rabbi Yehuda and Rabbi Yitzchak kissed the young man's head and rejoiced with him, and nicknamed him "Rabbi Yeisa." He told them that his father, now deceased, used to teach him three words of Torah every day and, at night, three words of the wisdom of aggadah, and that he now lived with a man who kept him from Torah study. On hearing the details about that man — an elder who did not know how to bless and who had not placed his own sons in the house of study — Rabbi Yehuda told the young man to leave him and come with them.<br />
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When Rabbi Yehuda heard that the young man's father was Rabbi Ze'eira of Kfar Ramin, he wept and told how he had learned three things from him regarding the cup of blessing and two regarding the work of creation. They sat down in a field and asked the young man to say one thing that his father had taught him about the work of creation.<br />
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The young man opened with the verse "and God created the great sea monsters," explaining that the great sea monsters are the patriarchs, who are given drink first and whose roots spread over everything. "The creeping living creature" was explained as referring to King David, and "every winged fowl after its kind" as the holy angels who sanctify their Master's name every day. Rabbi Yitzchak added that the supreme living creature above all is the one from which the upper river flows, watering all the way to the place called earth, where the bird remains suspended and watered, as it is written, "and fowl shall multiply on the earth."<br />