Yahweh continues speaking to the people of Israel.
“Although you see many things, you do not understand what they mean”
The ability to hear is spoken of as if the ears were open. Here the word “hears” refers to understanding what one hears. AT: “people hear, but no one understands what they hear” (See: rc://en/ta/man/translate/figs-metaphor)
“Yahweh was pleased to honor his justice by making his law glorious.” The second part of the phrase explains how Yahweh accomplished the first part.