poverty is the greatest motivator; poverty is the mother of invention
Proverb meaning that hardship or lack of resources can spur creativity and effort.
As the saying goes, 'Poverty is the mother of invention'; difficult circumstances can sometimes help people grow.
A Japanese proverb combining 貧 (poverty), 世界 (world), and 福の神 (god of fortune), suggesting that poverty can be a blessing in disguise. The exact origin is uncertain.