From a scientific point of view, calligraphy should be hung on conspicuous open walls, such as the main wall facing the door, coffee table, sofa, writing desk, wall above the bedside, bedside and so on. In the corner of the room, the shadow beside the wardrobe is not suitable for hanging calligraphy and painting.
"Self-cultivation and family happiness" is the motto of self-cultivation, which can also be said to be auspicious. This idiom comes from Zhuge Liang's "A Gentleman's Journey: Self-cultivation by Quiet, Self-cultivation by Thrift".