Siman 540

(97.) Regarding the visions and apparitions that true great tzaddikim see — he said: "When they want above for a person to see some vision or apparition — they clothe him in such eyes through which he can see what he will see — such as the soul of a dead person, or an angel, and the like." And see elsewhere [Likutay Moharan, Torah 98] what is explained on the verse [Psalms 34]: "The eyes of G-d are toward the righteous" — that the tzaddikim have "the eyes of G-d" — therefore they...