Psalm 55:10 in the World English Bible
Day and night they prowl around on its walls. Malice and abuse are also within her.
Context
9 Destroy, O Lord, and divide their tongues: for I have seen violence and strife in the city.
10 Day and night they go about it upon the walls thereof: mischief also and sorrow are in the midst of it.
11 Wickedness is in the midst thereof: deceit and guile depart not from her streets.