A calm mind can heal three thousand miles, and a calm mind can fill the gap of thousands of miles. Next sentence

A floating heart can stain three thousand sorrows, and a harmonious heart can dissolve ten thousand grains of dust.

“A calm mind can heal three thousand illnesses, a calm mind can fill the gaps in the heart, a floating mind can dye three thousand sorrows, and a harmonious mind can dissolve ten thousand grains of dust.” This sentence comes from the Tang Dynasty poet Du Fu’s "Autumn Poems" . The meaning of this sentence is: If a person can keep a calm mind, he can cure many diseases; if a person can keep a calm mind, he can understand and deal with various things. A person's inner peace and indifference can bring health and wisdom.