Speak well of others.
More Japanese Proverbs:
The skill of using a mortar and pestle never leaves one.Japanese
Gossip about a person and his shadow will appear.
Japanese
If man has no tea in him, he is incapable of understanding truth and beauty.
Japanese
The bandits in the mountain are easily subjected, but it is difficult to subject the bandits in my heart.
Japanese
Money has no ears but it hears; no legs but it walks.
Japanese
A man's good name is as precious to him as its skin is to a tiger.
Japanese