And the LORD asked me, "What do you see, Amos?" "A plumb line," I replied. Then the Lord said, "Look, I am setting a plumb line among my people Israel; I will spare them no longer."
NIV
And the Lord said to me, Amos, what do you see? And I said, A plumb line. Then said the Lord, Behold, I am setting a plumb line as a standard in the midst of My people Israel. I will not pass by and spare them any more [the door of mercy is shut].
AMP
And the LORD said unto me, Amos, what seest thou? And I said, A plumbline. Then said the LORD, Behold, I will set a plumbline in the midst of my people Israel: I will not again pass by them any more:
KJV