Luke 11:44

Alas for you! because ye are as the secret tombs: even the men that are walking above them, know it not.

Numbers 19:16

And, whosoever toucheth on the face of the field, one slain with a sword, or one who hath died, or a human bone or a grave, shall be unclean seven days.

Psalm 5:9

For in his mouth is nothing worthy of trust, Their inward purpose, is engulphing ruin, - An opened sepulchre, is their throat, With their tongue, speak they smooth things.

Hosea 9:8

The watchman of Ephraim, should have been with my God: As for the prophet, the snare of the fowler, is on all his ways, a prosecution awaiteth him , in the house of his God.

Matthew 23:27-28

Alas for you, Scribes and Pharisees, hypocrites; because ye make yourselves like sepulchres whitewashed, which, outside, indeed, appear, beautiful, but, within, are full, of dead men's bones and all uncleanness, -

Acts 23:3

Then, Paul, unto him, said - God is about to be smiting thee, thou whited wall! Dost, thou, then sit to judge me according to the law, and, unlawfully, orderest me to be smitten?

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
And, whosoever toucheth on the face of the field, one slain with a sword, or one who hath died, or a human bone or a grave, shall be unclean seven days.
Psalm 5:9
For in his mouth is nothing worthy of trust, Their inward purpose, is engulphing ruin, - An opened sepulchre, is their throat, With their tongue, speak they smooth things.
Hosea 9:8
The watchman of Ephraim, should have been with my God: As for the prophet, the snare of the fowler, is on all his ways, a prosecution awaiteth him , in the house of his God.
Matthew 23:27
Alas for you, Scribes and Pharisees, hypocrites; because ye make yourselves like sepulchres whitewashed, which, outside, indeed, appear, beautiful, but, within, are full, of dead men's bones and all uncleanness, -
Acts 23:3
Then, Paul, unto him, said - God is about to be smiting thee, thou whited wall! Dost, thou, then sit to judge me according to the law, and, unlawfully, orderest me to be smitten?