Psalms 5:6

“Thou shall destroy them that speak leasing, etc.] Or “a lie” f81; whether in matters of religion; as false doctrines, errors, and heresies, are lies; and so all that deny the deity, sonship, and Messiahship of Christ, are liars; and the followers of the man of sin speak lies in hypocrisy: or in common conversation; such are like to Satan, and are abominable in the sight of God; and he will destroy them, either with a temporal destruction, with bodily diseases, as Gehazi was smitten with a leprosy; and with corporeal death, as Ananias and Sapphira; or with eternal destruction, the destruction of body and soul in hell; for all liars have their part in the lake which burns with fire and…”

“leasing--a lie. the bloody . . . man--literally, "man of blood"--murderer.”

“Thou shalt destroy - Thou wilt bring to ruin; thou wilt cause to perish; that is, cause to perish as the wicked are caused to perish, by being punished. The idea is that God could not approve their cause; could not favor them; could not give them prosperity, and that they must be overthrown and punished. As in the previous verses, so here, David refers to this as a general characteristic of God, but with an implied reference to his enemies. Them that speak leasing - Lies; the word “leasing” being the old Saxon word to denote falsehood. See Psalms 4:2. It is not found elsewhere in our common version. The allusion here is to his enemies, and the idea is that they were false and treacherous; a…”

“destroy: Psa 4:2; Rev 21:8, Rev 22:15 the bloody: etc. Heb. man of bloods and deceit, Psa 26:8-10, Psa 43:1, Psa 55:23; Gen 34:14, Gen 34:25, Gen 34:26; Sa2 16:8, Sa2 20:1; Isa 26:21; Rom 1:29 Psalms 5:7”