If someone seems to be attacking your belief in creation, you may tactfully shift the responsibility to him.
أَمَّا إِذَا هَاجَمَ شَخْصٌ مَا إِيمَانَكَ بِٱلْخَلْقِ‏ ،‏ فَلَا تَتَّخِذْ مَوْقِفَ ٱلدِّفَاعِ .‏