To teach is also to learn.
More Japanese Proverbs:
The more stupid the child the dearer it is.Japanese
Only he who knows his own weaknesses can endure those of others.
Japanese
When you reject gifts from heaven you will be rewarded in hell.
Japanese
Greetings are the patron gods of our time.
Japanese
The dog that wags its tail won't be beaten.
Japanese
Quiet worms will bore a hole in the wall.
Japanese