What is the heart of raising flowers and grass, green flowers and red flowers, and everyone's beauty?

People raise flowers and plants, grass is green and flowers are red, flowers and plants raise people, and the beauty of people is kindness. People raise flowers and plants, the grass is green and the flowers are red, which shows that people have invested energy in flowers and plants. Flowers and plants are green and beautiful, and people are beautiful and kind. Corresponding to the first half of the sentence, it shows that people will be more kind when they see more beautiful flowers and plants. Seeing beautiful flowers in full bloom will make you feel happy.