Explain that new things are unstoppable:
The waves behind the Yangtze River push the waves before, and the new people in the world drive the old people away. -The old saying "those who enlarge the sages"
On one side of the boat, Qian Fan races; At the head of the sick tree, every year is a spring shower. -Don Liu Yuxi's "The First Meeting in Yangzhou to Enjoy Lotte"
The new leaves in Fanglin urge the old leaves, and the waves before the water are the waves after. -Liu Tang Yuxi's Poem of Letian Seeing Slight Injuries is a poem to be sent by three gentlemen.