For a teenager, getting old is easy, but learning is difficult. Before the sweet spring grass grows in the pond, the plane leaves in front of the steps have rustled in the autumn wind.
Xunzi's persuasion
If you don't accumulate steps, you will be thousands of miles away; If you don't accumulate small streams, you won't be a river.
Qu Yuan's Li Sao
There is a long way to go in Xiu Yuan, and I will go up and down.