What kind of tool is a ruler?

Ruler is a kind of wooden board used by teachers in old private schools to punish students. The "ring" of "ruler" means warning and punishment; The "ruler" of "ruler" is the scale, ruler and standard. The ruler makes people understand the truth that "without rules, there is no Fiona Fang"; Rulers are often used to clap the hands of students who don't study hard, study hard and be naughty, which makes them unforgettable for a long time.

Teachers in ancient private schools often used a ruler when educating students. A ruler is also called a ring. The commandment means "punishment". At first, it was a tool used by Buddhism. It is made up of two bamboo boards. The founders of Zen Buddhism often give beginners a token without asking why, or yell at them to test their understanding of Buddhism. Later, it was widely used in school education and simplified to a single bamboo board or wooden board.

The ruler symbolizes the majesty of teachers and is a tool of negative motivation. The ruler exists to defend the dignity of teachers and make naughty and backward students feel awe, so as to attach importance to learning and teaching. With the withdrawal of private school education from the historical stage, the ruler has gradually become an indispensable tool in the classroom, but it has not lost its meaning. Many modern rulers with sophisticated technology, as treasures of study, have certain collection value. This kind of ruler is usually engraved with decorative patterns or poetic epigrams, with simple and elegant style, which softens the rigid attribute of teachers' power in the past and shows the golden mean strategy of eclecticism.

The main functions of a ruler are:

1. Discipline students

At first, rulers were used by teachers in old private schools to punish students who made mistakes. Over time, students will be afraid when they see a ruler, and fear will produce awe. This is the majesty of teachers.

2. Auxiliary teaching

Ruler is in the shape of a ruler, which can be used as a line drawing tool to help teachers draw straight lines on the blackboard. Another function is to beat the platform with a ruler to signal students to be quiet.

3, do paperweights

Rulers can also be used in the study. For example, hardwood rulers are heavy. When copying calligraphy, it can be pressed on rice paper instead of paperweight.

Step 4 play with it

Many ancient literati, in order to sharpen their virtue, make their sexual behavior have scruples and be upright, will also set up a ruler in their study, engrave concise and profound famous aphorisms, constantly examine them, and urge themselves to lead a totally clean life and remain vigilant.