expression
necessity is the mother of invention
A proverb meaning that when people truly need something, they find a way to create it.
必要は発明の母と言うように、困った時こそ新しいアイデアが生まれる。
As they say, necessity is the mother of invention; it's when we're in trouble that new ideas are born.
A direct translation of the English proverb 'necessity is the mother of invention,' which has been adopted into Japanese as a set phrase.