"Time is quiet" refers to a certain state of life, "time" refers to time, which means a person's life by extension; "Quiet and good" is a state, which means peace and tranquility.
Similar copywriting:
1, life is heavy, live calmly, life is light, live strongly! Spring blossoms, this spring, I wish the spring is bright, the branches are flourishing, the mountains and rivers are safe, and the world is peaceful.
In order to let more people see spring, some people turned it into spring. Pay tribute to the hero, may the spring breeze be ten miles and the mountains and rivers be safe.