Luke 19:42 in the King James Version
Saying, If thou hadst known, even thou, at least in this thy day, the things which belong unto thy peace! but now they are hid from thine eyes.
Context
41 When he came near, he saw the city and wept over it,
42 saying, “If you, even you, had known today the things which belong to your peace! But now, they are hidden from your eyes.
43 For the days will come on you when your enemies will throw up a barricade against you, surround you, hem you in on every side,