A little knowledge is a dangerous thing
idm. ความรู้หากน้อยไปสามารถนำไปสู่หายนะ
A little knowledge is a dangerous thing
Meaning
A small amount of knowledge can cause people to think they are more expert than they are and consequently make unwise choices.
Origin
A little learning is a dangerous thing; drink deep, or taste not the Pierian spring: there shallow draughts intoxicate the brain, and drinking largely sobers us again. Alexander Pope (1688-1744) - An Essay on Criticism .