Exodus 5:19
Then the officers of the sons of Israel saw that they were afflicted after it was said, Ye shall not diminish any from the bricks of your daily quota.
Deuteronomy 32:36
For the LORD shall judge his people and repent himself for his slaves when he sees that their power is gone, and there is none shut up or left.
Ecclesiastes 4:1
So I returned and considered all the violence that is done under the sun and behold the tears of such as are oppressed, and they have no comforter; and on the side of their oppressors there was power; but the oppressed had no comforter.
Ecclesiastes 5:8
If thou seest violence unto the poor and the extortion of rights and justice in a province, do not marvel at the matter, for height is looking upon height; and there is one higher than they.