Cross reference
Ezekiel 13:15
15 So I will let loose my passion on the wall in full measure, and on those who put whitewash on it; and I will say to you, Where is the wall, and where are those who put whitewash on it?
Nehemiah 4:3
3 Now Tobiah the Ammonite was by him, and he said, Such is their building that if a fox goes up it, their stone wall will be broken down.
Psalms 62:3
3 How long will you go on designing evil against a man? running against him as against a broken wall, which is on the point of falling?
Isaiah 30:13
13 This sin will be to you like a crack in a high wall, causing its fall suddenly and in a minute.