What do you mean by "motto"

Motto is a handwritten essay placed on the right side of the seat, mostly aphorisms, with concise language and profound meaning, including self-topic, others' topic and transcript classics. The earliest adage has a history of more than two thousand years. The word "motto" first appeared in the article "Motto" written by Cui Yuan in Zhaoming Wenxuan. It's about Cui Yuan, a native of the Eastern Han Dynasty. Because his brother was killed, he ran away after killing the enemy. Many years later, he had to return to his hometown because of an Amnesty. He is getting old. He regretted his recklessness, suffered enough and missed his life, so he wrote a short passage as a warning and named it "motto" and "Song Shi Wu Chuan": "Anyone who can learn from history is recorded on the right." This is the origin of this proverb. Nowadays, people often write their school motto on the title pages of books and notebooks, or make banners to hang on the walls. Some young people take the messages of teachers and classmates in the graduation book as their motto. Although the motto is short in words, it contains profound philosophy and can inspire and inspire people. It is a treasure book of self-cultivation, a code of words and deeds, a code of conduct, a policy to follow, a legal constraint, a driving force for climbing, a beacon of progress, a direction of struggle, a goal of life, a key to success, which will be unforgettable and beneficial for life. Throughout the ages, many celebrities at home and abroad have their own mottoes.