Luke 11:44

Wo unto you, scribes and Pharisees, hypocrites! for ye are as graves concealed, which men, while walking over them, see not.

Matthew 23:27-28

Wo unto you, scribes and Pharisees, hypocrites! for ye resemble tombs whitewashed, which outwardly indeed appear specious, but within are full of dead men's bones, and all manner of impurity.

Acts 23:3

Then said Paul unto him, God is ready to smite thee, thou whited wall: for art thou sitting to judge me according to the law, and violating that 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

Matthew 23:27
Wo unto you, scribes and Pharisees, hypocrites! for ye resemble tombs whitewashed, which outwardly indeed appear specious, but within are full of dead men's bones, and all manner of impurity.
Acts 23:3
Then said Paul unto him, God is ready to smite thee, thou whited wall: for art thou sitting to judge me according to the law, and violating that law, commandest me to be smitten?