Opponent Proverbs

One cannot quarrel without an opponent. (Japanese Proverb)
The person who knows himself and his opponent will be invincible. Carve a peg only after you have observed the hole. View proverb
Korean Proverb
Conqueror the self and you will conquer the opponent. View proverb
Japanese Proverb
When you lift your hand to strike, you are three-tenths lower than your opponent. View proverb
Chinese Proverb