"All men are created / born equal" is probably the best quote because it implies equality and all men are seen as the same in the eyes of God. This "condemns" slavery because it suggests there is no superiority/inferiority to others.
from royalroyfan1
<span>A.) He approached the temple. As he went forward the light retired, and, when he put his feet within the apartment, utterly vanished. The suddenness of this transition increased the darkness that succeeded in a tenfold degree. Fear and wonder rendered him powerless. An occurrence like this, in a place assigned to devotion, was adapted to intimidate the stoutest heart.
(from Wieland by Charles Brockden Brown)
*** You know this because gothic writings were very dreary </span>