Music steps up happiness and flowers _, who made this couplet? Can you explain that my second couplet is a couplet?

Two famous people write good works with wonderful pens. It means to predict life with the Book of Changes, and you can live a lifetime.

Ibsen, whose full name is Henrik Johan Ibsen, was born in Sheehan, Norway, a Norwegian dramatist and poet. His works emphasize the happiness of personal life and ignore the stale etiquette of traditional society. He wrote a lot of plays in his life and was regarded as the founder of modern realistic drama, including A Doll's House and Public Enemy.