Proverbs 6:14
"Frowardness is in his heart, he deviseth mischief continually; he soweth discord."
Cross References (ranked by relevance)
Woe to them that devise iniquity, and work evil upon their beds! when the morning is light, they practise it, because it is in the power of their hand.
Now I beseech you, brethren, mark them which cause divisions and offences contrary to the doctrine which ye have learned; and avoid them.
For they have sown the wind, and they shall reap the whirlwind: it hath no stalk: the bud shall yield no meal: if so be it yield, the strangers shall swallow it up.
Who rejoice to do evil, and delight in the frowardness of the wicked;
He deviseth mischief upon his bed; he setteth himself in a way that is not good; he abhorreth not evil.
But the wicked are like the troubled sea, when it cannot rest, whose waters cast up mire and dirt.
Then said he unto me, Son of man, these are the men that devise mischief, and give wicked counsel in this city:
The instruments also of the churl are evil: he deviseth wicked devices to destroy the poor with lying words, even when the needy speaketh right.
He that soweth iniquity shall reap vanity: and the rod of his anger shall fail.
The way of man is froward and strange: but as for the pure, his work is right.
Devise not evil against thy neighbour, seeing he dwelleth securely by thee.