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.

낙숫물이 댓돌을 뚫는다.

“Dripping eaves-water wears a hole in the stone.”

Small, persistent effort eventually achieves great results.