Job 36:11

If they hearken and serve him, they shall accomplish their days in prosperity, and their years in pleasures.

Deuteronomy 4:30

In thy tribulation, and when all these things shall come upon thee, at the end of days, thou shalt return to Jehovah thy God, and shalt hearken to his voice,

Job 11:13-19

If thou prepare thy heart 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

Reconcile thyself now 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 remove unrighteousness far from thy tents,

Job 42:12

And 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: 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; he that sweareth, as he that feareth an oath.

Isaiah 1:19

If ye be willing and hearken, ye shall eat the good of the land;

Jeremiah 7:23

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

Jeremiah 26:13

And now, amend your ways and your doings, and hearken to 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 ye were bondmen of sin, but have obeyed from the heart the form of teaching into which ye were instructed.

Hebrews 11:8

By faith Abraham, being called, obeyed to go out into the place which he was to receive for an inheritance, and went out, not knowing where he was going.

James 5:5

Ye have lived luxuriously on the earth and indulged yourselves; ye have nourished your hearts as in a day of slaughter;

Revelation 18:7

So much as she has glorified herself and lived luxuriously, so much torment and grief give to her. Because she says in her heart, I sit a queen, and I am not a widow; and I shall in no wise see grief:

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
Reconcile thyself now with him, and be at peace: thereby good shall come unto thee.
Deuteronomy 4:30
In thy tribulation, and when all these things shall come upon thee, at the end of days, thou shalt return to Jehovah thy God, and shalt hearken to his voice,
Jeremiah 7:23
but I commanded them this thing, saying, Hearken unto my voice, and I will be your God, and ye shall be my people; and walk in all the way that I command you, that it may be well with you.
Jeremiah 26:13
And now, amend your ways and your doings, and hearken to 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 ye were bondmen of sin, but have obeyed from the heart the form of teaching into which ye were instructed.
Hebrews 11:8
By faith Abraham, being called, obeyed to go out into the place which he was to receive for an inheritance, and went out, not knowing where he was going.

Spend

Job 11:13
If thou prepare thy heart 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 remove unrighteousness far from thy tents,
Job 42:12
And 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: 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; he that sweareth, as he that feareth an oath.
James 5:5
Ye have lived luxuriously on the earth and indulged yourselves; ye have nourished your hearts as in a day of slaughter;
Revelation 18:7
So much as she has glorified herself and lived luxuriously, so much torment and grief give to her. Because she says in her heart, I sit a queen, and I am not a widow; and I shall in no wise see grief: