A Teacher's Passing Years

I remember that just now I was a young and brilliant young man, but more than twenty years of time have disappeared without a trace. Maybe we all thought that youth can be luxurious, but suddenly one day we saw the wrinkles on our face in the mirror. We used to be innocent and beautiful, but all this will not last forever. Standing on the shore of youth, looking back at the past years and thinking about the meaning of life. Life is just a passing thing. As long as every day is as bright as summer flowers, there will be no regrets in life...