Hūd - 65

﴿فَعَقَرُوهَا فَقَالَ تَمَتَّعُوا فِي دَارِكُمْ ثَلَاثَةَ أَيَّامٍ ۖ ذَٰلِكَ وَعْدٌ غَيْرُ مَكْذُوبٍ﴾

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65. But they killed her. So he said: "Enjoy yourselves in your homes for three days. This is a promise (i.e. a threat) that will not be belied."