The difference between hard pen calligraphy and hard pen writing

Hard pen is a word written with pen, gel pen and other hard pens. A soft pen is a kind of writing brush. Hard writing has certain inheritance, paying attention to structure, soft writing is more flexible, and paying attention to the flesh and blood of the whole word. Hard pen calligraphy was born in modern times. Relatively speaking, we called it brush calligraphy in ancient times. Strictly speaking, there is no such thing as soft pen calligraphy. Moreover, the soul of calligraphy is interlinked, not a hard pen or a brush.