Rejection of prophetic signs

فَعَقَرُوهَا فَقَالَ تَمَتَّعُوا۟ فِى دَارِكُمْ ثَلَـٰثَةَ أَيَّامٍ ۖ ذَٰلِكَ وَعْدٌ غَيْرُ مَكْذُوبٍ

But they hamstrung her, so he said, "Enjoy yourselves in your homes for three days. That is a promise not to be denied [i.e., unfailing]."

وَقَالُوا۟ لَن نُّؤْمِنَ لَكَ حَتَّىٰ تَفْجُرَ لَنَا مِنَ ٱلْأَرْضِ يَنۢبُوعًا

And they say, "We will not believe you until you break open for us from the ground a spring