שָׁאֲג֣וּ צֹ֭רְרֶיךָ בְּקֶ֣רֶב מוֹעֲדֶ֑ךָ שָׂ֖מוּ אוֹתֹתָ֣ם אֹתֽוֹת׃
Thine adversaries have roared in the midst of Thy meeting-place; They have set up their own signs for signs.
Read halakhic rulings (Jewish law) on Psalms 74:4: and classical halakhic sources.