Ancient poems about Chinese characters

1. Changhong hangs like a seal script and the sky is picturesque.

-Song and Huang Tingjian, "After the rain clears, stay in the stone pond".

2. Drawing is like writing, and the pen is a dragon snake.

-"Writing Tusong Essay on a Quiet House" is modern. Lao She

3. If the seal is a Dan snake, it will run away like a fly.

-Tang Li Bai's Ding Shi