Likutei Moharan 76:2/ליקוטי מוהר"ן ע״ו:ב׳

12. Know, too, that looking creates a vessel—namely, dimension and time. Before a person sees an object, it lacks dimension <and time>. But by looking at it, it acquires <them both>. This is as our Sages, of blessed memory, taught: “He made you suffer and let you go hungry, and He fed you the manna” (Deuteronomy 8:3)—one who sees what he eats cannot be equated to… From here we learn that the blind are never satiated (Yoma 74b). This is because someone who cannot see lacks definition. Thus the Talmudic passage concludes: What verse [proves this]?—”Better is the seeing of the eyes than the roving of the soul” (Ecclesiastes 6:9). <With the aspect> of vision he sets his soul in motion, and this [creates] the definition.