Job 36:11

If they hearken and serve him , They shall spend their days in prosperity, And their years in pleasures.

Deuteronomy 4:30

When thou art in tribulation, and all these things are come upon thee, in the latter days thou shalt return to Jehovah thy God, and hearken unto his voice:

Job 11:13-19

If thou set thy heart aright, And stretch out thy hands toward him;

Job 21:11

They send forth their little ones like a flock, And their children dance.

Job 22:21

Acquaint now thyself with him, and be at peace: Thereby good shall come unto thee.

Job 22:23

If thou return to the Almighty, thou shalt be built up, If thou put away unrighteousness far from thy tents.

Job 42:12

So Jehovah blessed the latter end of Job more than his beginning: And he had fourteen thousand sheep, and six thousand camels, and a thousand yoke of oxen, and a thousand she-asses.

Ecclesiastes 9:2-3

All things come alike to all: there is one event to the righteous and to the wicked; to the good and to the clean and to the unclean; to him that sacrificeth and to him that sacrificeth not; as is the good, so is the sinner; and he that sweareth, as he that feareth an oath.

Isaiah 1:19

If ye be willing and obedient, ye shall eat the good of the land:

Jeremiah 7:23

but this thing I commanded them, saying, Hearken unto my voice, and I will be your God, and ye shall be my people; and walk ye in all the way that I command you, that it may be well with you.

Jeremiah 26:13

Now therefore amend your ways and your doings, and obey the voice of Jehovah your God; and Jehovah will repent him of the evil that he hath pronounced against you.

Romans 6:17

But thanks be to God, that, whereas ye were servants of sin, ye became obedient from the heart to that form of teaching whereunto ye were delivered;

Hebrews 11:8

By faith Abraham, when he was called, obeyed to go out unto a place which he was to receive for an inheritance; and he went out, not knowing whither he went.

James 5:5

Ye have lived delicately on the earth, and taken your pleasure; ye have nourished your hearts in a day of slaughter.

Revelation 18:7

How much soever she glorified herself, and waxed wanton, so much give her of torment and mourning: for she saith in her heart, I sit a queen, and am no widow, and shall in no wise see mourning.

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
Acquaint now thyself with him, and be at peace: Thereby good shall come unto thee.
Deuteronomy 4:30
When thou art in tribulation, and all these things are come upon thee, in the latter days thou shalt return to Jehovah thy God, and hearken unto his voice:
Jeremiah 7:23
but this thing I commanded them, saying, Hearken unto my voice, and I will be your God, and ye shall be my people; and walk ye in all the way that I command you, that it may be well with you.
Jeremiah 26:13
Now therefore amend your ways and your doings, and obey the voice of Jehovah your God; and Jehovah will repent him of the evil that he hath pronounced against you.
Romans 6:17
But thanks be to God, that, whereas ye were servants of sin, ye became obedient from the heart to that form of teaching whereunto ye were delivered;
Hebrews 11:8
By faith Abraham, when he was called, obeyed to go out unto a place which he was to receive for an inheritance; and he went out, not knowing whither he went.

Spend

Job 11:13
If thou set thy heart aright, And stretch out thy hands toward him;
Job 21:11
They send forth their little ones like a flock, And their children dance.
Job 22:23
If thou return to the Almighty, thou shalt be built up, If thou put away unrighteousness far from thy tents.
Job 42:12
So Jehovah blessed the latter end of Job more than his beginning: And he had fourteen thousand sheep, and six thousand camels, and a thousand yoke of oxen, and a thousand she-asses.
Ecclesiastes 9:2
All things come alike to all: there is one event to the righteous and to the wicked; to the good and to the clean and to the unclean; to him that sacrificeth and to him that sacrificeth not; as is the good, so is the sinner; and he that sweareth, as he that feareth an oath.
James 5:5
Ye have lived delicately on the earth, and taken your pleasure; ye have nourished your hearts in a day of slaughter.
Revelation 18:7
How much soever she glorified herself, and waxed wanton, so much give her of torment and mourning: for she saith in her heart, I sit a queen, and am no widow, and shall in no wise see mourning.

American Standard Version Public Domain