«إِذَا جَاءَ مُوسَى وَأَلْقَى الْعَصَا فَقَدْ بَطَلَ السِّحْرُ وَالسَّاحِرُ»
When Moses came and cast his staff, magic and the magician lost their force.
Although the expression alludes to a particular episode, it may convey the broader principle that truth overcomes deception. It can be used proverbially when decisive evidence exposes a fraud. Such use depends on a fitting analogy, not on claiming that every feature of the historical episode literally recurs.