I heard the Prophet ﷺ saying, "Do not flog anyone more than ten stripes except if he is involved in a crime necessitating Allah's legal Punishment." (Using translation from Bukhārī 6850)
أَنَّ رَسُولَ اللهِ ﷺ قَالَ «لَا تَجْلِدَنَّ فَوْقَ عَشَرَةِ أَسْوَاطٍ إِلَّا فِي حَدٍّ مِنْ حُدُودِ اللهِ»