Jianfeng Bao ruled out that plum blossom fragrance comes from bitter and cold grinding. The original sentence is "the sword edge grinds itself, and the plum blossom fragrance is bitter and cold", while "the sword edge grinds itself, and the plum blossom fragrance is bitter and cold" means that the sharp edge of the sword is constantly ground, and the plum blossom fragrance comes from its cold winter. Later, the extended meaning of this sentence is: if you want to succeed, you must constantly sharpen, and only by overcoming many difficulties can you succeed. The extended message "The edge of the sword comes from sharpening, and the fragrance of plum blossoms comes from bitter cold" comes from the diligent article "Warning the Sage". The Book of Warming the World is divided into three parts: abiding by the law, cherishing money, managing the family diligently, cherishing time, cultivating self-cultivation, treating people, preventing others, being right and wrong, forgiving others, taking money, caring for others, feeling at ease, accepting kindness, listening to advice, sincerely apologizing, preventing worries, advising kindness and being upright. Among them, in addition to the hard training article "Sword front comes from sharpening, plum blossom fragrance comes from bitter cold", the law-abiding article "Good things don't go out, evil things spread to Wan Li; If people don't know, it is well known.

Plum blossom is a famous traditional flower in China, and many scholars have written many ancient poems about it. Plum blossoms are not only beautiful and elegant, but also praised by poets and painters in ancient and modern times. They are highly praised by the world for their ice muscles, jade bone and lingering fragrance.