Read and reflect on verse 1995 from Surah An-Nahl: And do not use your oaths as a means of deceiving one another-or else [your] foot will slip after having been firm, and then you will have to taste th...
وَلَا تَتَّخِذُوا أَيْمَانَكُمْ دَخَلًا بَيْنَكُمْ فَتَزِلَّ قَدَمٌ بَعْدَ ثُبُوتِهَا وَتَذُوقُوا السُّوءَ بِمَا صَدَدْتُمْ عَنْ سَبِيلِ اللَّهِ ۖ وَلَكُمْ عَذَابٌ عَظِيمٌ
And do not use your oaths as a means of deceiving one another-or else [your] foot will slip after having been firm, and then you will have to taste the evil [consequences] of your having turned away from the path of God, with tremendous suffering awaiting you [in the life to come].