For, lo, they that are far from thee shall perish - All that are estranged from thee; all who are not thy friends. They will certainly be destroyed. For them there can be no hope. This is the fact which solved the difficulty of the psalmist in regard to the divine dealings with people, Psalms 73:3-7. The fact that there will be a righteous judgment, in which God will deal with people according to their deserts, made all plain. Compare Psalms 73:16-20.
Thou hast destroyed - That is, Thou wilt certainly destroy. The psalmist places himself in the future, and speaks of this as if it were already done. It will be so certainly done that he could speak of it as if it were already accomplished.
All them that go a whoring from thee - The relation of God to his people is often compared in the Scriptures with the marriage relation (compare Psalms 45); and a departure from Him is compared with a want of fidelity to the marriage contract. See Matthew 12:39; Matthew 16:4; Jeremiah 3:8-9; Jeremiah 5:7; Jeremiah 13:27; Ezekiel 23:37; Revelation 2:22 :