Définition et Signification de "there’s no (greater) thief like a bad book"

What is the origin of the proverb "there is no thief like a bad book" and when to use it?

The origin of the proverb "there is no thief like a bad book" is an Italian saying that warns about the dangers of harmful or misleading writings. The phrase suggests that a bad book, like a thief, can steal one's time, energy, and mental clarity, leading people in the wrong direction with false ideas or harmful content. Over time, the proverb has been used to express the idea that books with poor or misguided information can have a negative impact, taking away from one’s personal growth, understanding, or well-being.