Luke 11:44

Woe unto you, for ye are as the sepulchres which appear not, and the men walking over them do not know it.

Numbers 19:16

And every one that toucheth one that is slain with a sword in the open fields, or a dead person, or the bone of a man, or a grave, shall be unclean seven days.

Psalm 5:9

For there is no certainty in their mouth; their inward part is perversion, their throat is an open sepulchre; they flatter with their tongue.

Hosea 9:8

Is Ephraim a watchman with my God? nay the prophet is a fowler's snare on all his ways, enmity in the house of his God.

Matthew 23:27-28

Woe to you, scribes and Pharisees, hypocrites, for ye are like whited sepulchres, which appear beautiful outwardly, but within are full of dead men's bones and all uncleanness.

Acts 23:3

Then Paul said to him, God will smite thee, whited wall. And thou, dost thou sit judging me according to the law, and breaking the law commandest 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 every one that toucheth one that is slain with a sword in the open fields, or a dead person, or the bone of a man, or a grave, shall be unclean seven days.
Psalm 5:9
For there is no certainty in their mouth; their inward part is perversion, their throat is an open sepulchre; they flatter with their tongue.
Hosea 9:8
Is Ephraim a watchman with my God? nay the prophet is a fowler's snare on all his ways, enmity in the house of his God.
Matthew 23:27
Woe to you, scribes and Pharisees, hypocrites, for ye are like whited sepulchres, which appear beautiful outwardly, but within are full of dead men's bones and all uncleanness.
Acts 23:3
Then Paul said to him, God will smite thee, whited wall. And thou, dost thou sit judging me according to the law, and breaking the law commandest me to be smitten?