Paul mentions “the solid foundation of God ” in the same context in which he quotes Moses ’ words about Korah and his supporters, recorded at Numbers 16: 5.
فَأَيَّةُ حَادِثَةٍ أَشَارَ إِلَيْهَا بُولُسُ حِينَ ٱسْتَخْدَمَ هٰذِهِ ٱلْعِبَارَةَ ؟‏