“It is time for You to act, O LORD, for they have regarded Your law as void.” Psalm 119:126

“Let the lying lips be put to silence, which speak insolent things proudly and contemptuously against the righteous.” Psalm 31:18

“The LORD brings the counsel of the nations to nothing; He makes the plans of the people of no effect.” Psalm 32:10

“Those who hate you will be clothed with shame, and the dwelling place of the wicked will come to nothing.” Job 8:22

“The alien who is among you shall rise higher and higher above you, and you shall come down lower and lower… because you did not obey the voice of the LORD your God, to keep His commandments…” Deuteronomy 28:43,45

The Old Testament is still valid for instruction.