Deuteronomy 11:13

And it was if hearing, ye shall hear to the commands which I command you this day, to love Jehovah your God, and to serve him with all your heart and with all your soul,

Deuteronomy 4:29

And thou sought from thence Jehovah thy God, and thou didst find, for ye shall seek him with all thy heart and with all thy soul.

Deuteronomy 6:17

Watching, ye shall watch the commands of Jehovah your God, and his testimonies, and his laws that he commanded thee.

Deuteronomy 10:12

And now, Israel, what does Jehovah thy God ask from thee but to fear Jehovah thy God, to go in all his ways, and to love him, and to serve Jehovah thy God with all thy heart and with all thy soul,

Deuteronomy 6:5-6

And love thou Jehovah thy God with all thy heart and with all thy soul and with all thy might

Deuteronomy 11:8

And watch ye every command which I command thee this day, so that ye shall be strengthened and go in and possess the land where ye are passing over there to possess it;

Deuteronomy 11:22

For if watching, ye shall watch all this command which I command you to do it, to love Jehovah thy God, to go in all his ways, and to cleave to him;

Psalm 119:4

Thou didst command thy charges to be watched greatly.

Treasury of Scripture Knowledge

Summary

And it shall come to pass, if ye shall hearken diligently unto 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,

Bible References

Diligently

Deuteronomy 11:8
And watch ye every command which I command thee this day, so that ye shall be strengthened and go in and possess the land where ye are passing over there to possess it;
Deuteronomy 6:17
Watching, ye shall watch the commands of Jehovah your God, and his testimonies, and his laws that he commanded thee.
Psalm 119:4
Thou didst command thy charges to be watched greatly.

General references

Leviticus 26:3
If ye shall go in my laws and watch my commands, and do them:
Deuteronomy 6:17
Watching, ye shall watch the commands of Jehovah your God, and his testimonies, and his laws that he commanded thee.
Deuteronomy 15:5
Only if hearing, thou shalt hear to the voice of Jehovah thy God, to watch to do all these commands which I command thee this day.
Psalm 119:4
Thou didst command thy charges to be watched greatly.