1. The best four-character calligraphy and painting for the living room at home are: return to the garden and live in the fields, be quiet to cultivate virtue, be frugal to cultivate oneself, be quiet and far-reaching, have a gentle breeze, be elegant and harmonious, be full of happiness, and be purple. Coming from the east, peace brings auspiciousness, self-improvement and endless struggle.

2. The specific content of hanging calligraphy and painting should be determined according to the interior decoration style: the interior decoration is simple and generous, and if you pursue a simple style, you can hang it to return to the garden and farmland, to cultivate virtue through tranquility, and to cultivate yourself through frugality.

3. Common famous sayings: "Heaven's way is strong, a gentleman is constantly striving for self-improvement, and the terrain is kun, a gentleman's virtue is good.", "Heaven rewards diligence, humanity rewards good, and business rewards trust." "Self-exaltation" etc. Common poems: "Spring Snow in Qinyuan", "Inscription on the Humble Room", "Viewing the Sea", "Reminiscing about the Past at Red Cliff", "Shui Tiao Ge Tou", "Red Cliff Ode", etc.