아는 길도 물어 가라
From Korean Wiki Project
Contents
Literal Meaning
Ask first, then go, even on a road you know.
Usage
Used to advise someone to not take a task for granted and to always do his or her best.
Korean Equivalent
쉬운 일도 신중하게 최선을 다해야 한다.
English Equivalent
Never take things for granted. / Better safe than sorry.