Proverb meaning that there can be unexpected good fortune in things left behind or remaining; roughly, 'there's luck in leftovers.'
スーパーの閉店間際に掘り出し物を見つけて、『残り物には福がある』と思った。
I found a bargain at the supermarket near closing time and thought, 'there's luck in leftovers.'
いつも母は『残り物には福がある』と言って、食べ物を無駄にしなかった。
My mother always said, 'there's luck in leftovers,' and never wasted food.
パーティーで余った料理を持ち帰ったら意外に美味しくて、やはり残り物には福があると感じた。
I took home food leftover from a party and it was unexpectedly tasty — I felt again that there's luck in leftovers.