必ひつ要ようは発はつ明めいの母はは

expression

necessity is the mother of invention

A proverb meaning that when people truly need something, they find a way to create it.

• 必ひつ要ようは発はつ明めいの母ははと言いうように、困こまった時ときこそ新あたらしいアイデアが生うまれる。

  As they say, necessity is the mother of invention; it's when we're in trouble that new ideas are born.