Meaning of the word "believe nothing you hear, and only one half that you see" in English

What does "believe nothing you hear, and only one half that you see" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

believe nothing you hear, and only one half that you see

US /bɪˈliv ˈnʌθɪŋ ju hɪr, ænd ˈoʊnli wʌn hæf ðæt ju si/
UK /bɪˈliːv ˈnʌθɪŋ ju hɪə, ænd ˈəʊnli wʌn hɑːf ðæt ju siː/
"believe nothing you hear, and only one half that you see" picture

Idiom

a proverb advising skepticism; one should not trust rumors and should be cautious even about what they witness personally

Example:
With all the fake news online, it's best to believe nothing you hear, and only one half that you see.
Gossip is rarely accurate, so believe nothing you hear, and only one half that you see.