For their heart
leb (labe)
the heart; also used (figuratively) very widely for the feelings, the will and even the intellect
studieth
hagah (daw-gaw')
to murmur (in pleasure or anger); by implication, to ponder -- imagine, meditate, mourn, mutter, roar, sore, speak, study, talk, utter.
destruction
shod (shode)
violence, ravage -- desolation, destruction, oppression, robbery, spoil(-ed, -er, -ing), wasting.
and their lips
saphah (saw-faw')
the lip (as a natural boundary); by implication, language; by analogy, a margin (of a vessel, water, cloth, etc.)
talk
dabar (daw-bar')
perhaps properly, to arrange; but used figuratively (of words), to speak; rarely (in a destructive sense) to subdue
of mischief
`amal (aw-mawl')
toil, i.e. wearing effort; hence, worry, wheth. of body or mind
