Meaning of the word "liars need to have good memories" in English

What does "liars need to have good memories" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

liars need to have good memories

US /ˈlaɪərz nid tu hæv ɡʊd ˈmɛməriz/
UK /ˈlaɪəz niːd tu hæv ɡʊd ˈmɛməriz/
"liars need to have good memories" picture

Idiom

a person who tells lies must be able to remember them so that they do not contradict themselves later

Example:
He forgot what he told me yesterday and got caught; truly, liars need to have good memories.
If you're going to keep making up stories, remember that liars need to have good memories.