Obviously, this slogan is to tell students that the library is a place to study, not a romantic place. Starting from me, keep the library quiet.
Slogan 2: Shake your legs, maybe you have a motor?
This slogan is to remind students to pay attention to personal cultivation and not to shake their legs when reading. Although shaking your legs doesn't affect others. But it does look indecent and affect your image in others' minds.
Slogan 3: An apple is ringing, and many mice run here.
This slogan is to remind students not to litter and keep the library clean and hygienic.
There are many similar slogans, such as:
Please put down the chair gently when driving back to the palace;
The book on the shelf says that this student is the noisiest one I brought;
You chat, I chat, see you in the makeup classroom next year;
It's brave to face the shaking mobile phone on the table;
You talk, I talk, and everyone will hang up at the end of the term.