Thematic Bible: Of a plumb-line

Moreover, he showed me this vision: behold, the LORD stood upon a plastered wall, and a mason's trowel in his hand. And the LORD said unto me, "Amos, what seest thou?" I answered, "A mason's trowel." Then said the Lord, "Behold, I will lay the trowel among my people of Israel, and will no more oversee them: