Little knowledge is a dangerous thing - Idioms by The Free Dictionary
little knowledge is a dangerous thing
little knowledge is a dangerous thing and little learning is a dangerous thing
Prov. Cliché If you only know a little about something, you may feel you are qualified to make judgments when, in fact, you are not. After Bill read one book on the history of Venezuela, he felt he was an authority on the subject, but he wound up looking like a fool in discussions with people who knew a lot more about it than he did. A little learning is a dangerous thing.
References in periodicals archive
A little knowledge is a dangerous thing
,'' said Dan Masnada, general manager of the CLWA, implying that the Newhall board did not take all of the facts into consideration.
While this transformation has generally been lauded in postindustrial societies like Great Britain and the United States, it has left many people - and countries - out in the cold, Neef suggests in A Little Knowledge Is a Dangerous Thing