魚うお心ごころうおごころMeanings1nounkindness; goodwill; favorPrimarily used in the proverb 魚心あれば水心 (if a fish shows kindness, the water will too), meaning kindness begets kindness. Rarely used independently in modern Japanese.See also: 魚心あれば水心「魚うお心ごころあれば水みずExpressions水みず心ごころあれば魚うお心ごころkindness begets kindness; you scratch my back and I'll scratch yours魚うお心ごころあれば水みず心ごころkindness begets kindness; you scratch my back and I'll scratch yours魚うお心ごころあれば水みず心ごころありkindness begets kindness; you scratch my back and I'll scratch yours