Musa's Courage and Conviction

قَالَ مُوسَىٰٓ أَتَقُولُونَ لِلْحَقِّ لَمَّا جَآءَكُمْ ۖ أَسِحْرٌ هَـٰذَا وَلَا يُفْلِحُ ٱلسَّـٰحِرُونَ

Moses said, "Do you say [thus] about the truth when it has come to you? Is this magic? But magicians will not succeed."