Just like a city lying in the open and without surrounding walls, so also is a man who is unable to restrain his own spirit in speaking
Other versions
King James Version
He that hath no rule over his own spirit is like a city that is broken down, and without walls.English Standard Version
A man without self-control is like a city broken into and left without walls.New International Version
Like a city whose walls are broken down is a man who lacks self-control.