Consider this: In James ’ example of the mirror, the problem was not that the man failed to look carefully.
غَيْرَ أَنَّ ٱلْمِرْآةَ لَنْ تُفِيدَنَا إِلَّا إِذَا ٱسْتَعْمَلْنَاهَا بِٱلشَّكْلِ ٱلصَّحِيحِ .‏