원숭이도 나무에서 떨어진다.

“Even monkeys fall from trees.”

Even an expert or highly skilled person can sometimes make a mistake.

우물 안 개구리는 바다를 모른다.

“The frog in the well does not know the great sea.”

A person with limited experience cannot grasp the scale of the wider world.

세 살 버릇 여든까지 간다.

“A habit formed at three lasts until eighty.”

Habits learned in early childhood are extremely difficult to change later in life.

지렁이도 밟으면 꿈틀한다.

“Even a worm will wriggle when stepped on.”

Even the most passive person will resist when pushed too far.

아니 땐 굴뚝에 연기 날까.

“Does smoke rise from a chimney that was never lit?”

Every rumor or visible effect has some underlying real cause.

시작이 반이다.

“Starting is half of the task.”

Taking the first step is often the hardest and most important part of any endeavor.