滴过血的心更坚强流过泪的眼更明亮
[dī guò xuè de xīn gèng jiān qiáng liú guò lèi de yăn gèng míng liàng]
Heart that has bled becomes stronger; eye that has wept becomes brighter implies that through trials and tribulations—through pain and tears—one becomes resilient and more insightful