What calligraphy is best for hanging in the living room?

The characters suitable for hanging in the living room can be divided into four types: four-character idiom calligraphy, philosophical quotation calligraphy and ancient poetry calligraphy.

Four-character idiom calligraphy: concise and meaningful.

Philosophic sayings Calligraphy: contains profound philosophy.

Calligraphy of ancient poems: a classic handed down from generation to generation