Psaumes 10:7
His mouth is full of cursing and deceit and fraud: under his tongue is mischief and vanity.
Psaumes 59:12
For the sin of their mouth and the words of their lips let them even be taken in their pride: and for cursing and lying which they speak.
Psaumes 109:17
As he loved cursing, so let it come unto him: as he delighted not in blessing, so let it be far from him.
Psaumes 109:18
As he clothed himself with cursing like as with his garment, so let it come into his bowels like water, and like oil into his bones.
Jacques 3:10
Out of the same mouth proceedeth blessing and cursing. My brethren, these things ought not so to be.