Proverbs 13:11

⁹ The light of the righteous rejoiceth: but the lamp of the wicked shall be put out.

¹⁰ Only by pride cometh contention: but with the well advised is wisdom.

Wealth gotten by vanity shall be diminished: but he that gathereth by labour shall increase.

¹² Hope deferred maketh the heart sick: but when the desire cometh, it is a tree of life.

¹³ Whoso despiseth the word shall be destroyed: but he that feareth the commandment shall be rewarded.

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: Dishonest wealth will dwindle, but what is earned through hard work will be multiplied.
KJV: Wealth gotten by vanity shall be diminished: but he that gathereth by labour shall increase.
WEB: Wealth gained dishonestly dwindles away, but he who gathers by hand makes it grow.
ASV: Wealth gotten by vanity shall be diminished; But he that gathereth by labor shall have increase.
DARBY: Wealth [gotten] by vanity diminisheth; but he that gathereth by manual-labour shall increase [it].
BLB: Wealth from vanity is diminished, and the one gathering by the hand becomes great.

ÅB: Lett vunnet rikdom minker, men den som samler litt etter litt, øker sitt gods.
OTB: Urettmessig tilegnet rikdom minker, men den som samler litt etter litt øker den.
B1930: Lett vunnet rikdom minker, men den som samler litt efter litt, øker sitt gods.

Proverbs 20:21
An inheritance may be gotten hastily at the beginning; but the end thereof shall not be blessed.
Read in context
Proverbs 10:2
Treasures of wickedness profit nothing: but righteousness delivereth from death.
Read in context
James 5:1–5
Go to now, ye rich men, weep and howl for your miseries that shall come upon you.
Read in context
Proverbs 28:8
He that by usury and unjust gain increaseth his substance, he shall gather it for him that will pity the poor.
Read in context
Proverbs 27:23–27
Be thou diligent to know the state of thy flocks, and look well to thy herds.
Read in context
Proverbs 28:20
A faithful man shall abound with blessings: but he that maketh haste to be rich shall not be innocent.
Read in context
Proverbs 13:22–23
A good man leaveth an inheritance to his children’s children: and the wealth of the sinner is laid up for the just.
Read in context
Job 27:16–17
Though he heap up silver as the dust, and prepare raiment as the clay;
Read in context