Deuteronomy 10:12
And now, Israel, what does the LORD your God require of you, but to fear the LORD your God, to walk in all his ways, and to love him, and to serve the LORD your God with all your heart and with all your soul,
Nave's Topical Index—AKJV

Deuteronomy 11:13
And it shall come to pass, if you shall listen diligently to my commandments which I command you this day, to love the LORD your God, and to serve him with all your heart and with all your soul,
Nave's Topical Index—AKJV

Deuteronomy 26:16
This day the LORD your God has commanded you to do these statutes and judgments: you shall therefore keep and do them with all your heart, and with all your soul.
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1 Kings 2:4
That the LORD may continue his word which he spoke concerning me, saying, If your children take heed to their way, to walk before me in truth with all their heart and with all their soul, there shall not fail you (said he) a man on the throne of Israel.
Nave's Topical Index—AKJV

Psalm 119:112
I have inclined my heart to perform your statutes always, even to the end.
Nave's Topical Index—AKJV

Ephesians 6:6
Not with eye-service, as men pleasers; but as the servants of Christ, doing the will of God from the heart;
Nave's Topical Index—AKJV