In Four Treasures of the Study, it is called golden constancy.

In Four Treasures of the Study, it is ink that is called "gold does not change".

Knowledge expansion:

Four Treasures of the Study is a precious stationery in the traditional culture of China, including pen, ink, paper and inkstone. They have played a vital role in the development of China's literature, calligraphy and painting. Among them, Mexico, as one of Four Treasures of the Study, has profound historical and cultural connotations in China culture.

First, the history of ink:

Ink is a writing and painting tool in ancient China, and its history can be traced back to Shang Dynasty in BC16th century. The earliest ink was made of fired plant materials (such as pine smoke and fir smoke), and later it gradually evolved into solid ink made of graphite ore or coal. These ink sticks are usually square or round and are called ink cakes.

Second, the production process of ink:

The process of making ink is very complicated, and it needs to choose suitable materials and be processed through multiple processes. Traditional ink manufacturing includes the following steps:

1, material selection: the raw materials of ink are usually coal, graphite, plant materials, etc. Different raw materials will produce different kinds of ink, such as ink, ink, hard ink and so on.

2. Grinding: the selected raw materials need to be ground into powder. This step requires high skill to ensure the texture and color of toner.

3. Mixing: The ground toner will be mixed with other ingredients to adjust the concentration and characteristics of the ink.

4. Processing into blocks: press the prepared ink slurry into blocks, then dry and solidify, and finally make ink cakes.

5. lettering: the ink cakes made are usually engraved with the maker's mark to show their quality and source.

Third, the types of ink:

There are many different kinds of inks, each of which has its specific uses and characteristics. The following are some common ink types:

1, ink and ink: Also known as Xuan paper ink, it is commonly used in Chinese painting and calligraphy. It can be dissolved in water, and its concentration can be adjusted as needed, so it can be used to paint landscapes, flowers and birds.

2, hard ink: also known as hard pen and ink, is used for brush calligraphy ink. It has high viscosity and can produce clear lines and strokes on paper.

3. Ink: Ink is usually used for printing, such as woodcut and book printing. It has good adhesion and color stability.

4. Pigment ink: This kind of ink is usually used to draw colored works, such as colored ink in Chinese painting. It is made of toner of various colors and can be mixed to get various colors.

Fourth, the cultural connotation of ink painting:

Ink has rich connotations and symbolic significance in China culture. It not only represents the tools of calligraphy and painting, but also reflects the spiritual pursuit of ancient China literati. The contrast between black and white ink symbolizes the philosophy of Yin and Yang.