虹の端の黄金の壺
いい意味かな？　と一瞬喜びましたが、調べてみると必ずしもそうでもないような・・・現実的でない夢を追いかけるイメージもあるみたい。

＜このサイトのホームへ。＞

Pot of gold at the end of the rainbow
Upon coming across this phrase, I was very glad to think it had good connotations, but after checking some information, I learned it could be associated with pursuing something unrealistic.