1 Kings 3:14

And if you will walk in My ways, to keep My statutes and My commandments, as your father David walked, then I will lengthen your days.

Psalm 91:16

With long life I will satisfy him, and show him My salvation.

Proverbs 3:2

for they shall add length of days, and long life, and peace to you.

1 Kings 3:6

And Solomon said, You have shown to Your servant David my father great mercy, according as he walked before You in truth and in righteousness and in uprightness of heart with You. And You have kept this great kindness for him, that You have given him a son to sit on his throne, as it is today.

1 Kings 15:5

because David did what was right in the eyes of Jehovah, and did not turn aside from all that He commanded him all the days of his life, except in the matter of Uriah the Hittite.

Proverbs 3:16

Length of days is in her right hand; and in her left hand, riches and honor.

Deuteronomy 5:16

Honor your father and your mother, as Jehovah your God has commanded you, so that your days may be made longer, and that it may go well with you in the land which Jehovah your God gives you.

Deuteronomy 25:15

You shall have a perfect and just weight, a perfect and just measure you shall have, so that your days may be lengthened in the land which Jehovah your God gives you.

1 Kings 2:3-4

And keep the charge of Jehovah your God, to walk in His ways, to keep His statutes, and His commandments, and His judgments, and His testimonies, as it is written in the Law of Moses, so that you may prosper in all that you do and wherever you turn yourself,

1 Kings 3:3

And Solomon loved Jehovah, walking in the statutes of David his father. Only he sacrificed and burnt incense in high places.

1 Kings 9:4-5

And if you will walk before Me as David your father walked, in integrity of heart and in uprightness, to do according to all that I have commanded you; and if you will keep My statutes and My judgments,

1 Chronicles 22:12-13

Only may Jehovah give you wisdom and understanding, and direct you concerning Israel, so that you may keep the Law of Jehovah your God.

1 Chronicles 28:9

And you, Solomon my son, know the God of your father and serve Him with a perfect heart and with a willing mind. For Jehovah searches all hearts and understands all the imaginations of the thoughts. If you seek Him, He will be found by you. But if you forsake Him, He will cast you off forever.

2 Chronicles 7:17-19

And you, if you will walk before me, as David your father walked, and do according to all that I have commanded you, and shall observe My statutes and My judgments,

2 Chronicles 17:3-4

And Jehovah was with Jehoshaphat because he walked in the first ways of his father David and did not seek to Baals.

2 Chronicles 29:2

And he did the right in the sight of Jehovah, according to all that David his father had done.

2 Chronicles 34:2

And he did the right in the sight of Jehovah, and walked in the ways of David his father, and did not turn aside to the right nor to the left.

Psalm 21:4

He asked life from You; You give to him length of days forever and ever.

Psalm 132:12

If your sons will keep My covenant and My testimonies which I shall teach them, their sons shall also sit on your throne forever.

Zechariah 3:7

So says Jehovah of Hosts: If you will walk in My ways, and if you will keep My charge, then you shall also judge My house, and shall also keep My courts, and I will give you places to walk among these who stand by.

Acts 13:22

And when He had removed him, He raised up David to them to be their king; to whom He also witnessed and said, I have found David the son of Jesse to be a man after My own heart, who shall fulfill all My will.

1 Timothy 4:8

For bodily exercise profits a little, but godliness is profitable to all things, having promise of the present life, and of that which is to come.

Treasury of Scripture Knowledge

Summary

And if thou wilt walk in my ways, to keep my statutes and my commandments, as thy father David did walk, then I will lengthen thy days.

Bible References

If thou

1 Kings 2:3
And keep the charge of Jehovah your God, to walk in His ways, to keep His statutes, and His commandments, and His judgments, and His testimonies, as it is written in the Law of Moses, so that you may prosper in all that you do and wherever you turn yourself,
1 Chronicles 22:12
Only may Jehovah give you wisdom and understanding, and direct you concerning Israel, so that you may keep the Law of Jehovah your God.
1 Chronicles 28:9
And you, Solomon my son, know the God of your father and serve Him with a perfect heart and with a willing mind. For Jehovah searches all hearts and understands all the imaginations of the thoughts. If you seek Him, He will be found by you. But if you forsake Him, He will cast you off forever.
2 Chronicles 7:17
And you, if you will walk before me, as David your father walked, and do according to all that I have commanded you, and shall observe My statutes and My judgments,
Psalm 132:12
If your sons will keep My covenant and My testimonies which I shall teach them, their sons shall also sit on your throne forever.
Zechariah 3:7
So says Jehovah of Hosts: If you will walk in My ways, and if you will keep My charge, then you shall also judge My house, and shall also keep My courts, and I will give you places to walk among these who stand by.

As thy

1 Kings 3:3
And Solomon loved Jehovah, walking in the statutes of David his father. Only he sacrificed and burnt incense in high places.
1 Kings 9:4
And if you will walk before Me as David your father walked, in integrity of heart and in uprightness, to do according to all that I have commanded you; and if you will keep My statutes and My judgments,
1 Kings 15:5
because David did what was right in the eyes of Jehovah, and did not turn aside from all that He commanded him all the days of his life, except in the matter of Uriah the Hittite.
2 Chronicles 17:3
And Jehovah was with Jehoshaphat because he walked in the first ways of his father David and did not seek to Baals.
2 Chronicles 29:2
And he did the right in the sight of Jehovah, according to all that David his father had done.
2 Chronicles 34:2
And he did the right in the sight of Jehovah, and walked in the ways of David his father, and did not turn aside to the right nor to the left.
Acts 13:22
And when He had removed him, He raised up David to them to be their king; to whom He also witnessed and said, I have found David the son of Jesse to be a man after My own heart, who shall fulfill all My will.

I will lengthen

Deuteronomy 5:16
Honor your father and your mother, as Jehovah your God has commanded you, so that your days may be made longer, and that it may go well with you in the land which Jehovah your God gives you.
Deuteronomy 25:15
You shall have a perfect and just weight, a perfect and just measure you shall have, so that your days may be lengthened in the land which Jehovah your God gives you.
Psalm 21:4
He asked life from You; You give to him length of days forever and ever.
Psalm 91:16
With long life I will satisfy him, and show him My salvation.
Proverbs 3:2
for they shall add length of days, and long life, and peace to you.
1 Timothy 4:8
For bodily exercise profits a little, but godliness is profitable to all things, having promise of the present life, and of that which is to come.