Deuteronomy 11:13
"And if you will indeed obey my commandments that I command you today, to love the LORD your God, and to serve him with all your heart and with all your soul,
Deuteronomy 4:29
But from there you will seek the LORD your God and you will find him, if you search after him with all your heart and with all your soul.
Deuteronomy 6:17
You shall diligently keep the commandments of the LORD your God, and his testimonies and his statutes, which he has commanded you.
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, to love him, to serve the LORD your God with all your heart and with all your soul,
Deuteronomy 6:5-6
You shall love the LORD your God with all your heart and with all your soul and with all your might.
Deuteronomy 11:8
"You shall therefore keep the whole commandment that I command you today, that you may be strong, and go in and take possession of the land that you are going over to possess,
Deuteronomy 11:22
For if you will be careful to do all this commandment that I command you to do, loving the LORD your God, walking in all his ways, and holding fast to him,
Psalm 119:4
You have commanded your precepts to be kept diligently.