6 “For this is what Jehovah of armies says, ‘Yet once more—in a little while—and I will shake the heavens and the earth and the sea and the dry land.’+7 “‘And I will shake all the nations, and the precious* things of all the nations will come in;+ and I will fill this house with glory,’+says Jehovah of armies.8 “‘The silver is mine, and the gold is mine,’ declares Jehovah of armies.9 “‘The future glory of this house will be greater than the former,’+ says Jehovah of armies.
I don't know why they ask for donations. After all, all the silver and gold already belongs to Jehovah.