His speech is smooth as butter, but war is in his heart. His words are softer than oil, yet they are swords unsheathed.

Psalm 12:2
They lie to one another; they speak with flattering lips and a double heart.

Psalm 28:3
Do not drag me away with the wicked, and with the workers of iniquity, who speak peace to their neighbors while malice is in their hearts.

Psalm 35:20
For they do not speak peace, but they devise deceitful schemes against those who live quietly in the land.

Psalm 57:4
My soul is among the lions; I lie down with ravenous beasts--with men whose teeth are spears and arrows, whose tongues are sharp swords.

Psalm 59:7
See what they spew from their mouths--sharp words from their lips: "For who can hear us?"

Psalm 62:4
They fully intend to cast him down from his lofty perch; they delight in lies; with their mouths they bless, but inwardly they curse. Selah

Psalm 120:7
I am in favor of peace; but when I speak, they want war.

Proverbs 5:3
Though the lips of the forbidden woman drip honey and her speech is smoother than oil,

Proverbs 5:4
in the end she is bitter as wormwood, sharp as a double-edged sword.

The words of his mouth were smoother than butter, but war was in his heart: his words were softer than oil, yet were they drawn swords.