( إِن كُنتَ مِنَ الصَّادِقِينَ) (if you should be of the truthful): Pharao was mocking Prophet Moses (PBUH) by challenging him to present the miracle if he (PBUH) truly did have one.
( إِن كُنتَ مِنَ الصَّادِقِينَ) (if you should be of the truthful): Pharao was mocking Prophet Moses (PBUH) by challenging him to present the miracle if he (PBUH) truly did have one.