The years are quiet and warm, the pines and cypresses are still green and the sun is shining. What do you mean?

Years are quiet and good: it is a book by Zhou Ai, which should be understood as years are quiet and good.

Review the past and learn the new: it is a learning method taught by Confucius. By reviewing what you have learned, you can know more new knowledge.

Pine and cypress are still green: it means that pine and cypress are still so lush.

Sunny day: refers to sunny weather, the sun shines brightly on the earth, bright and beautiful.