The famous sayings about sketching are:

1. It is better to be square than round, and to be dirty than clean.

2. Sketching starts with what we cannot see and ends with what we see.

3. Writers express themselves through abstraction, that is, through concepts, but painters use sketches and colors to concretize their feelings and perceptions.

4. I used a pencil to sketch all the encounters. Who gave me an excuse for spring flowers.

5. The process of learning to sketch is actually a process of practicing the method of observing things. No matter what form you use to express your picture, whether it is lines, volume, or color blocks, you must first With a certain understanding of volume, the lines drawn are also lines that wrap the volume.

6. Sketching is the highest point of painting, sculpture, and architecture, and is the source and soul of all types of art.

7. On the one hand, sketching comes from reason, and on the other hand, it draws general laws from the form and structure of many objects in nature, because the shape and structure of natural objects are completely composed of their own laws, and they are all Unique and outstanding.