1, the best four-character calligraphy and painting in the living room at home is: returning to the garden, being quiet to cultivate one's morality, being frugal to cultivate one's morality, being quiet and far away, benefiting the wind smoothly, being elegant and harmonious, being full of happiness, being full of purple, and being auspicious and constantly striving for self-improvement.

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 those who pursue simple style can be hung in the garden, quiet and self-cultivation.

3. Common sayings: "A gentleman strives for self-improvement, and a gentleman pays attention to morality", "Heaven rewards diligence, and humanity rewards diligence", and "Man is just without desire". Commonly used poems: Spring and Snow in Qinyuan, Humble Room Inscription, Looking at the Sea, Nostalgia for the Past in Chibi, Tuned Songs, Poems on Chibi, etc.