Ruler refers to the ruler used to teach students in ancient times. More common, the ruler is mostly a piece of wood, and a few squares are punched. Its block is about four or five inches long, about one inch wide and one minute wide. In the ancient private school era, the ruler was the patron saint of classroom order.

Different from appreciation education, "ruler" represents disciplinary education. "Caution" means vigilance and punishment; "Ruler" is a scale, ruler and standard. These are exactly what people need when they grow up. As the saying goes, there is no Fiona Fang without rules.

The existence significance of rulers.

Rulers are awesome. In fact, the ruler on the podium table is far less than an invisible ruler in your heart. Always remind yourself to be cautious and self-disciplined, because with a ruler, you will know the awe in your heart, and awe will make people rigorous. The most important thing in academic research is rigor. Without a rigorous attitude towards academic research, it is impossible to learn the real truth.

Therefore, whether on the podium or in your heart, you need a ruler to walk with you. When you can't restrain the impetuous spirit in your heart, look at the ruler on the podium table and think about the ruler in your heart. You must quickly correct your attitude and continue to invest in your study.