Gain from your opponents without sacrificing your own strength.
More Japanese Proverbs:
Cupidity has no peak.Japanese
Even a fool knows the glow of gold.
Japanese
You warm up something for ten days and it goes cold in one.
Japanese
Fortune will call at the smiling gate.
Japanese
Great deeds come from times of shortage.
Japanese
After the fight both parties give each other a good smack.
Japanese