The person who knows himself and his opponent will be invincible. Carve a peg only after you have observed the hole.
More Korean Proverbs:
If you kick a stone in anger, you'll hurt your own foot.Korean
Words have no wings but they can fly many thousands of miles.
Korean
You will hate a beautiful song if you sing it often.
Korean
Even though words have no wings, they can still fly a thousand miles. Even if you encounter a stone bridge, tap it first before crossing. Through old things, we learn new things.
Korean
The frog forgets that he was once a tadpole.
Korean
If a pedestrian sees a horse he will want to ride it.
Korean