New International Version
"And you, my son Solomon, acknowledge the God of your father, and serve him with wholehearted devotion and with a willing mind, for the LORD searches every heart and understands every desire and every thought. If you seek him, he will be found by you; but if you forsake him, he will reject you forever.

American Standard Version
And thou, Solomon my son, know thou the God of thy father, and serve him with a perfect heart and with a willing mind; for Jehovah searcheth all hearts, and understandeth all the imaginations of the thoughts: if thou seek him, he will be found of thee; but if thou forsake him, he will cast thee off for ever.

Berean Study Bible
As for you, Solomon my son, know the God of your father and serve Him wholeheartedly and with a willing mind, for the LORD searches every heart and understands the intent of every thought. If you seek Him, He will be found by you; but if you forsake Him, He will reject you forever.

Douay-Rheims Bible
And thou my son Solomon, know the God of thy father, and serve him with a perfect heart, and a willing mind: "for the Lord searcheth all hearts, and under- standeth all the thoughts of minds. If thou seek him, thou shalt find him: but if thou forsake him, he will cast thee off for ever.

English Revised Version
And thou, Solomon my son, know thou the God of thy father, and serve him with a perfect heart and with a willing mind: for the LORD searcheth all hearts, and understandeth all the imaginations of the thoughts: if thou seek him, he will be found of thee; but if thou forsake him, he will cast thee off for ever.

King James Bible
And thou, Solomon my son, know thou the God of thy father, and serve him with a perfect heart and with a willing mind: for the LORD searcheth all hearts, and understandeth all the imaginations of the thoughts: if thou seek him, he will be found of thee; but if thou forsake him, he will cast thee off for ever.

World English Bible
You, Solomon my son, know the God of your father, and serve him with a perfect heart and with a willing mind; for Yahweh 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.

Young's Literal Translation
'And thou, Solomon, my son, know the God of thy father, and serve Him with a perfect heart, and with a willing mind, for all hearts is Jehovah seeking, and every imagination of the thoughts He is understanding; if thou dost seek Him, He is found of thee, and if thou dost forsake Him, He casteth thee off for ever.

1 Chronicles 28:9 Additional Translations ...