Luke 11:44

Woe to you, because you are like unmarked graves, and the people who walk over [them] do not know [it]!

Numbers 19:16

Anyone {in the open field} who touches {one who has been slain}, or a corpse, or a bone of a person, or a burial site, he will be unclean for seven days.

Psalm 5:9

For there is not [anything] reliable in his mouth; their inner part [is] destruction. Their throat is an open grave; [with] their tongue they speak deceit.

Hosea 9:8

The prophet keeps watch [over] Ephraim for my God; the snare of a fowler [is] on all his ways, and hostility in the house of his God.

Matthew 23:27-28

"Woe to you, scribes and Pharisees--hypocrites!--because you are like whitewashed tombs which on the outside appear beautiful, but on the inside are full of the bones of the dead and of everything unclean!

Acts 23:3

Then Paul said to him, "God is going to strike you, [you] whitewashed wall! And are you sitting [there] judging me according to the law, and acting contrary to the law do you order me to be struck?"

Treasury of Scripture Knowledge

Summary

Woe unto you, scribes and Pharisees, hypocrites! for ye are as graves which appear not, and the men that walk over them are not aware of them.

Bible References

For

Numbers 19:16
Anyone {in the open field} who touches {one who has been slain}, or a corpse, or a bone of a person, or a burial site, he will be unclean for seven days.
Psalm 5:9
For there is not [anything] reliable in his mouth; their inner part [is] destruction. Their throat is an open grave; [with] their tongue they speak deceit.
Hosea 9:8
The prophet keeps watch [over] Ephraim for my God; the snare of a fowler [is] on all his ways, and hostility in the house of his God.
Matthew 23:27
"Woe to you, scribes and Pharisees--hypocrites!--because you are like whitewashed tombs which on the outside appear beautiful, but on the inside are full of the bones of the dead and of everything unclean!
Acts 23:3
Then Paul said to him, "God is going to strike you, [you] whitewashed wall! And are you sitting [there] judging me according to the law, and acting contrary to the law do you order me to be struck?"