Meaning of the word "children and fools must not play with edged tools" in English

What does "children and fools must not play with edged tools" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

children and fools must not play with edged tools

US /ˈtʃɪl.drən ænd fuːlz mʌst nɑːt pleɪ wɪð edʒd tuːlz/
UK /ˈtʃɪl.drən ənd fuːlz mʌst nɒt pleɪ wɪð edʒd tuːlz/
"children and fools must not play with edged tools" picture

Idiom

Inexperienced or unwise people should not involve themselves in dangerous situations or handle things they do not understand.

Example:
He tried to fix the high-voltage wiring himself, but children and fools must not play with edged tools.
Giving a novice trader full access to the company's capital was a mistake; children and fools must not play with edged tools.