plum bossom key ring

The red plum blossoms bloom on the blue and calm mirror-like lake, a choice of Chinese culture. "The edge of the sword comes from sharpening, and the fragrance of plum blossoms comes from the bitter cold." The couplet says that the sharp edge of the sword comes from constant sharpening, and the fragrance of plum blossoms comes from the cold winter. It means that if you want to have precious qualities or beautiful talents, you need continuous efforts, practice, and overcoming certain difficulties to achieve it. From the anonymous ancient Chinese book "Warning and Virtue: Diligence"