foolish.

Matthew 23:25, 26
Woe to you, scribes and Pharisees, you hypocrites! You clean the outside of the cup and dish, but inside they are full of greed and self-indulgence. . . .

Isaiah 48:1, 2
Listen to this, O house of Jacob, you who are called by the name of Israel, who have descended from the line of Judah, who swear by the name of the LORD and invoke the God of Israel--but not in truth or righteousness-- . . .

Isaiah 58:2
For day after day they seek Me and delight to know My ways, like a nation that does what is right and does not forsake the justice of their God. They ask Me for righteous judgments; they delight in the nearness of God."

Ezekiel 33:3
and he sees the sword coming against that land and blows his trumpet to warn the people.

2 Timothy 3:5
having a form of godliness but denying its power. Turn away from such as these!

Hebrews 12:15
Be careful that no one falls short of the grace of God, so that no root of bitterness will spring up to cause trouble and defile many.

Revelation 3:1, 15, 16
To the angel of the church in Sardis write: These are the words of the One who holds the sevenfold Spirit of God and the seven stars. I know your deeds; you have a reputation for being alive, yet you are dead. . . .