Read and reflect on verse 354 from Surah Aal-i-Imraan: And if anyone should argue with thee about this [truth] after all the knowledge that has come unto thee, say: "Come! Let us summon our sons and your s...
فَمَنْ حَاجَّكَ فِيهِ مِنْ بَعْدِ مَا جَاءَكَ مِنَ الْعِلْمِ فَقُلْ تَعَالَوْا نَدْعُ أَبْنَاءَنَا وَأَبْنَاءَكُمْ وَنِسَاءَنَا وَنِسَاءَكُمْ وَأَنْفُسَنَا وَأَنْفُسَكُمْ ثُمَّ نَبْتَهِلْ فَنَجْعَلْ لَعْنَتَ اللَّهِ عَلَى الْكَاذِبِينَ
And if anyone should argue with thee about this [truth] after all the knowledge that has come unto thee, say: "Come! Let us summon our sons and your sons, and our women and your women, and ourselves and yourselves; and then let us pray [together] humbly and ardently, and let us invoke God's curse upon those [of us] who are telling a lie."