Sura al-Naml 27:12

وَأَدْخِلْ يَدَكَ فِى جَيْبِكَ تَخْرُجْ بَيْضَآءَ مِنْ غَيْرِ سُوٓءٍ فِى تِسْعِ ءَايَٰتٍ إِلَىٰ فِرْعَوْنَ وَقَوْمِهِۦٓ إِنَّهُمْ كَانُوا۟ قَوْمًا فَٰسِقِينَ

wa-adkhil yadaka fī jaybika takhruj bayḍāʾa min ghayri sūʾin fī tisʿi āyātin ilā firʿawna wa-qawmihi innahum kānū qawman fāsiqīna

"Now put thy hand into thy bosom, and it will come forth white without stain (or harm): (these are) among the nine Signs (thou wilt take) to Pharaoh and his people: for they are a people rebellious in transgression."