Likutei Moharan, Part II 72:2/ליקוטי מוהר"ן·תנינא ע״ב:ב׳

12. And know! every single person merits receiving greatness commensurate with the shining of his mentalities, as in “a Melekh (King) bound in the ReHaTim (tresses)” (Song of Songs 7:6)—inside the RaHaTei (rafters of) the mind (Tikkuney Zohar #6, p.21b). In other words, the concept of Malkhut (Kinship)—i.e., greatness—is bound and tied in the compartments of the mind, so that he receives greatness commensurate with the shining of the mentalities.

2Now, the mentalities and daat (unitive knowledge and awareness of God) are the concept of building the Holy Temple, as our Sages, of blessed memory, taught: For someone with daat, it is as if the Holy Temple was built in his day. For daat and the Holy Temple are each positioned between two Divine Names… (Berakhot 33a). Therefore, each person, commensurate with his mind and daat, and to the extent he immerses himself in daat—the more he occupies himself with expanding his mind and daat—he likewise occupies himself with construction of the Holy Temple. This is because, conceptually, the Holy Temple is constructed primarily with daat .

3There is one whose mind is quick and sharp, who is constantly occupied with expanding his mind and daat. Conceptually, this is engaging in the Holy Temple’s construction. And to the extent that his daat and mind become greater, he merits greatness. This is the concept of “If you see a man quick in his work—he will attend upon kings” (Proverbs 22:29). “A man quick in his work” alludes to one whose mind is quick and sharp. He is “quick in his work”—i.e., in the construction work of the Holy Temple. For the work of constructing the Holy Temple is commensurate with his mind, as mentioned above, and as a result “he will attend upon M’LaKhim”—i.e., he merits greatness, the concept of MaLKhut. This is because the greatness is commensurate with the shining of the mind, as in “a melekh bound in the compartments,” as mentioned above.