There is a famous saying: Diligence is the mother of good luck.(「勤勉は幸運の母」という有名なことわざがあるじゃないか。)
This calls for a carrot-and-stick approach.(これにはアメとムチのアプローチが必要だ。)
There is also a famous saying: Necessity is the mother of invention.
call for = require