Meaning of the word "idle hands are the devil's playthings" in English

What does "idle hands are the devil's playthings" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

idle hands are the devil's playthings

US /ˈaɪ.dəl hændz ɑːr ðə ˈdɛv.əlz ˈpleɪ.θɪŋz/
UK /ˈaɪ.dəl hændz ɑː ðə ˈdɛv.əlz ˈpleɪ.θɪŋz/
"idle hands are the devil's playthings" picture

Idiom

people who have nothing to do are more likely to get into trouble or do something bad

Example:
I need to find a hobby for my son because idle hands are the devil's playthings.
The teacher kept the students busy with extra projects, knowing that idle hands are the devil's playthings.