Proverbs 13:11 in the King James Version
Wealth gotten by vanity shall be diminished: but he that gathereth by labour shall increase.
Context
10 Pride only breeds quarrels, but wisdom is with people who take advice.
11 Wealth gained dishonestly dwindles away, but he who gathers by hand makes it grow.
12 Hope deferred makes the heart sick, but when longing is fulfilled, it is a tree of life.