What does happiness, peace and harmony mean?

Wish others happiness and peace. More joy and long-term peace are a blessing, and more joy means more happiness. I wish others a happy life, and a long life is a long life. I wish others a safe life. How happy and peaceful it is, this sentence comes from China's famous writer Jin Yong's "Day Ba Long Bu". This sentence is a sentence hung on the golden lock of zhongruan when he lost his two daughters in Ba Long Cloth.