necessity is the mother of invention

Translations
необходимость — мать изобретательности
When the power went out, we cooked on the grill. Necessity is the mother of invention.
Когда отключили электричество, мы готовили на гриле. Необходимость — мать изобретательности.
Definitions
This phrase means that when faced with a need or problem, people are motivated to create solutions or invent new things to address that need.