马无夜草不肥--英语怎么说？

马无夜草不肥，人无外快不富。
A horse cannot gain weight if not fed with extra fodder during the night; a man cannot become wealthy without earnings apart from his regular salaries.

A horse cannot gain weight if not fed with extra fodder during the night; a man cannot become wealthy without earnings apart from his regular salaries.

No grass horse manure Night

Horses won't be fat without having grasses at night.