Genesis 49:8 Kabbalah

יְהוּדָ֗ה אַתָּה֙ יוֹד֣וּךָ אַחֶ֔יךָ יָדְךָ֖ בְּעֹ֣רֶף אֹיְבֶ֑יךָ יִשְׁתַּחֲוּ֥וּ לְךָ֖ בְּנֵ֥י אָבִֽיךָ׃

Judah, thee shall thy brethren praise; Thy hand shall be on the neck of thine enemies; Thy father’s sons shall bow down before thee.

Read kabbalistic (mystical) interpretation of Genesis 49:8: and classical mystical sources.