en_tn_lite_do_not_use/deu/33/15.md

finest things ... precious things

Moses is probably referring to food crops. The full meaning of this statement can be made clear. AT: "the best fruits ... the precious fruits" (See: rc://en/ta/man/translate/figs-explicit)

ancient mountains

"the mountains that existed long ago"

everlasting hills

"the hills that will exist forever"