It's an ancient poem by Su Shi, a poet in the Song Dynasty, "Qingquan Temple in the Quiet Autumn Waters of Huanxisha".
Original text:
Huanxisha swims in Qiushui Qingquan Temple.
Song sushi
Under the mountain, the blue buds are short immersed in the stream, and the sand road between the pines is clean and mud-free. It rained at dusk.
Who says life can't go back to adolescence? The water in front of the door can also flow west! Don't bemoan the passage of old age!