1 Kings 3:14

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

Psalm 91:16

With length of days will I satisfy him, and shew him my salvation.

Proverbs 3:2

for length of days, and years of life, and peace shall they add to thee.

1 Kings 3:6

And Solomon said, Thou hast shewn unto thy servant David my father great loving-kindness, according as he walked before thee in truth, and in righteousness, and in uprightness of heart with thee; and thou hast kept for him this great loving-kindness, that thou hast given him a son who sits upon his throne, as it is this day.

1 Kings 15:5

because David did that which was right in the sight of Jehovah, and turned not aside from anything that he commanded him all the days of his life, except in the matter of Urijah the Hittite.

Proverbs 3:16

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

Deuteronomy 5:16

Honour thy father and thy mother, as Jehovah thy God hath commanded thee; that thy days may be prolonged, and that it may be well with thee in the land which Jehovah thy God giveth thee.

Deuteronomy 25:15

A perfect and just weight shalt thou have; a perfect and just ephah shalt thou have; that thy days may be prolonged in the land that Jehovah thy God giveth thee.

1 Kings 2:3-4

and keep the charge of Jehovah thy God, to walk in his ways, to keep his statutes, and his commandments, and his ordinances, and his testimonies, as it is written in the law of Moses, that thou mayest prosper in all that thou doest and whithersoever thou turnest thyself;

1 Kings 3:3

And Solomon loved Jehovah, walking in the statutes of David his father; only, he sacrificed and burned incense on the high places.

1 Kings 9:4-5

And as for thee, if thou wilt walk before me, as David thy father walked, in integrity of heart, and in uprightness, to do according to all that I have commanded thee, and wilt keep my statutes and mine ordinances;

1 Chronicles 22:12-13

Only, Jehovah give thee wisdom and understanding, and place thee over Israel, and to keep the law of Jehovah thy God.

1 Chronicles 28:9

And thou, Solomon my son, know the God of thy father, and serve him with a perfect heart and with a willing mind; for Jehovah searches all hearts, and discerns all the imaginations of the thoughts. If thou seek him, he will be found of thee; but if thou forsake him, he will cut thee off for ever.

2 Chronicles 7:17-19

And as for thee, if thou wilt walk before me, as David thy father walked, to do according to all that I have commanded thee, and wilt keep my statutes and mine ordinances;

2 Chronicles 17:3-4

And Jehovah was with Jehoshaphat, for he walked in the first ways of his father David, and sought not unto the Baals;

2 Chronicles 29:2

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

2 Chronicles 34:2

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

Psalm 21:4

He asked life of thee; thou gavest it him, length of days for ever and ever.

Psalm 132:12

If thy children keep my covenant, and my testimonies which I will teach them, their children also for evermore shall sit upon thy throne.

Zechariah 3:7

Thus saith Jehovah of hosts: If thou wilt walk in my ways, and if thou wilt keep my charge, then thou shalt also judge my house, and shalt also keep my courts; and I will give thee a place to walk among these that stand by.

Acts 13:22

And having removed him he raised up to them David for king, of whom also bearing witness he said, I have found David, the son of Jesse, a man after my heart, who shall do all my will.

1 Timothy 4:8

for bodily exercise is profitable for a little, but piety is profitable for everything, having promise of life, of the present one, and of that 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 thy God, to walk in his ways, to keep his statutes, and his commandments, and his ordinances, and his testimonies, as it is written in the law of Moses, that thou mayest prosper in all that thou doest and whithersoever thou turnest thyself;
1 Chronicles 22:12
Only, Jehovah give thee wisdom and understanding, and place thee over Israel, and to keep the law of Jehovah thy God.
1 Chronicles 28:9
And thou, Solomon my son, know the God of thy father, and serve him with a perfect heart and with a willing mind; for Jehovah searches all hearts, and discerns all the imaginations of the thoughts. If thou seek him, he will be found of thee; but if thou forsake him, he will cut thee off for ever.
2 Chronicles 7:17
And as for thee, if thou wilt walk before me, as David thy father walked, to do according to all that I have commanded thee, and wilt keep my statutes and mine ordinances;
Psalm 132:12
If thy children keep my covenant, and my testimonies which I will teach them, their children also for evermore shall sit upon thy throne.
Zechariah 3:7
Thus saith Jehovah of hosts: If thou wilt walk in my ways, and if thou wilt keep my charge, then thou shalt also judge my house, and shalt also keep my courts; and I will give thee a place to walk among these that stand by.

As thy

1 Kings 3:3
And Solomon loved Jehovah, walking in the statutes of David his father; only, he sacrificed and burned incense on the high places.
1 Kings 9:4
And as for thee, if thou wilt walk before me, as David thy father walked, in integrity of heart, and in uprightness, to do according to all that I have commanded thee, and wilt keep my statutes and mine ordinances;
1 Kings 15:5
because David did that which was right in the sight of Jehovah, and turned not aside from anything that he commanded him all the days of his life, except in the matter of Urijah the Hittite.
2 Chronicles 17:3
And Jehovah was with Jehoshaphat, for he walked in the first ways of his father David, and sought not unto the Baals;
2 Chronicles 29:2
And he did what was right in the sight of Jehovah, according to all that David his father had done.
2 Chronicles 34:2
And he did what was right in the sight of Jehovah, and walked in the ways of David his father, and turned not aside to the right hand nor to the left.
Acts 13:22
And having removed him he raised up to them David for king, of whom also bearing witness he said, I have found David, the son of Jesse, a man after my heart, who shall do all my will.

I will lengthen

Deuteronomy 5:16
Honour thy father and thy mother, as Jehovah thy God hath commanded thee; that thy days may be prolonged, and that it may be well with thee in the land which Jehovah thy God giveth thee.
Deuteronomy 25:15
A perfect and just weight shalt thou have; a perfect and just ephah shalt thou have; that thy days may be prolonged in the land that Jehovah thy God giveth thee.
Psalm 21:4
He asked life of thee; thou gavest it him, length of days for ever and ever.
Psalm 91:16
With length of days will I satisfy him, and shew him my salvation.
Proverbs 3:2
for length of days, and years of life, and peace shall they add to thee.
1 Timothy 4:8
for bodily exercise is profitable for a little, but piety is profitable for everything, having promise of life, of the present one, and of that to come.