little knowledge is a dangerous thing, a

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little knowledge is a dangerous thing, a

Also, a little learning is a dangerous thing. Knowing a little about something tempts one to overestimate one's abilities. For example, I know you've assembled furniture, but that doesn't mean you can build an entire wall system; remember, a little knowledge . This maxim, originally a line from Alexander Pope's An Essay on Criticism (1709), has been repeated with slight variations ever since. It is still heard, although less frequently, and sometimes shortened, as in the example.
References in classic literature ?
And yet it is the book above all others which one must read, and read with understanding, if one would get even a little knowledge of Swift's special genius.
You are one of those," he said, "who, as a child, were wise, but as a young woman with a little knowledge, become--a prig.
Fortunate indeed are those in which there is combined a little good and a little bad, a little knowledge of many things outside their own callings, a capacity for love and a capacity for hate, for such as these can look with tolerance upon all, unbiased by the egotism of him whose head is so heavy on one side that all his brains run to that point.