Idleness is the root of all evil proverb
When you have no work to do, you are more likely to do something harmful or evil.
When I am off from school, my mom often encourages me to do voluntary work. She is afraid that idleness is the root of all evil.
John became addicted to online games during the summer break. It's true idleness is the root of all evil.
I get my kids to help with chores when they don't have to study because I know that idleness is the root of all evil.
Used to say that someone is not working or producing anything