Job 36:11

If they now will take heed and be obedient, they shall wear out their days in prosperity, and their years in pleasure and joy.

Deuteronomy 4:30

In thy tribulation and when all these things are come upon thee, even in the latter days, thou shalt turn unto the LORD thy God, and shalt hearken unto his voice.

Job 11:13-19

"If thou hadst now a right heart, and liftest up thine hands toward him;

Job 21:11

They send forth their children by flocks, and their sons lead the dance.

Job 22:21

"Therefore reconcile thee unto God, and be content, so shall all things prosper with thee right well.

Job 22:23

For if thou wilt turn to the Almighty, thou shalt stand fast, and all unrighteousness shall be far from thy dwelling:

Job 42:12

And the LORD made Job richer than he was before: for he had fourteen thousand sheep, and six thousand camels, and a thousand yoke of oxen, and a thousand asses.

Ecclesiastes 9:2-3

It happeneth unto one as unto another; It goeth with the righteous as with the ungodly; with the good and clean as with the unclean; with him that offereth as with him that offereth not; like as it goeth with the virtuous, so goeth it also with the sinner; As it happeneth unto the perjured, so happeneth it also unto him that is afraid to be foresworn.

Isaiah 1:19

If ye will agree and hearken, ye shall eat the best of the land, saith the LORD God.

Jeremiah 7:23

but this I commanded them, saying, 'Hearken and obey my voice, and I shall be your God, and ye shall be my people: so that ye walk in all the ways, which I have commanded you, that ye may prosper.'

Jeremiah 26:13

Therefore amend your ways, and your advisements, and be obedient unto the voice of the LORD your God: so shall the LORD repent of the plague, that he had devised against you.

Romans 6:17

God be thanked, that though ye were once the servants of sin, ye have yet obeyed with your heart unto the form of doctrine where unto ye were delivered.

Hebrews 11:8

By faith Abraham, when he was called, obeyed to go out into a place which he should afterward receive to inheritance, and he went out, not knowing whither he should go.

James 5:5

Ye have lived in pleasure on the earth and in wantonness. Ye have nourished your hearts, as in a day of slaughter.

Revelation 18:7

And as much as she glorified herself and lived wantonly, so much pour ye in for her of punishment, and sorrow, for she said in her heart, 'I sit, being a queen and am no widow and shall see no sorrow.'

Treasury of Scripture Knowledge

Summary

If they obey and serve him, they shall spend their days in prosperity, and their years in pleasures.

Bible References

If

Job 22:21
"Therefore reconcile thee unto God, and be content, so shall all things prosper with thee right well.
Deuteronomy 4:30
In thy tribulation and when all these things are come upon thee, even in the latter days, thou shalt turn unto the LORD thy God, and shalt hearken unto his voice.
Jeremiah 7:23
but this I commanded them, saying, 'Hearken and obey my voice, and I shall be your God, and ye shall be my people: so that ye walk in all the ways, which I have commanded you, that ye may prosper.'
Jeremiah 26:13
Therefore amend your ways, and your advisements, and be obedient unto the voice of the LORD your God: so shall the LORD repent of the plague, that he had devised against you.
Romans 6:17
God be thanked, that though ye were once the servants of sin, ye have yet obeyed with your heart unto the form of doctrine where unto ye were delivered.
Hebrews 11:8
By faith Abraham, when he was called, obeyed to go out into a place which he should afterward receive to inheritance, and he went out, not knowing whither he should go.

Spend

Job 11:13
"If thou hadst now a right heart, and liftest up thine hands toward him;
Job 21:11
They send forth their children by flocks, and their sons lead the dance.
Job 22:23
For if thou wilt turn to the Almighty, thou shalt stand fast, and all unrighteousness shall be far from thy dwelling:
Job 42:12
And the LORD made Job richer than he was before: for he had fourteen thousand sheep, and six thousand camels, and a thousand yoke of oxen, and a thousand asses.
Ecclesiastes 9:2
It happeneth unto one as unto another; It goeth with the righteous as with the ungodly; with the good and clean as with the unclean; with him that offereth as with him that offereth not; like as it goeth with the virtuous, so goeth it also with the sinner; As it happeneth unto the perjured, so happeneth it also unto him that is afraid to be foresworn.
James 5:5
Ye have lived in pleasure on the earth and in wantonness. Ye have nourished your hearts, as in a day of slaughter.
Revelation 18:7
And as much as she glorified herself and lived wantonly, so much pour ye in for her of punishment, and sorrow, for she said in her heart, 'I sit, being a queen and am no widow and shall see no sorrow.'