Deuteronomy 15:5

If only you give ear to the voice of the Lord your God, and take care to keep all these orders which I give you today.

Leviticus 26:3-14

If you are guided by my rules, and keep my laws and do them,

Deuteronomy 4:9

Only take care, and keep watch on your soul, for fear that the things which your eyes have seen go from your memory and from your heart all the days of your life; but let the knowledge of them be given to your children and to your children's children;

Deuteronomy 11:13-15

And it will be that if you truly give ear to the orders which I put before you this day, loving the Lord your God and worshipping him with all your heart and all your soul,

Deuteronomy 28:1-15

Now if you give ear to the voice of the Lord your God, and keep with care all these orders which I have given you today, then the Lord your God will put you high over all the nations of the earth:

Joshua 1:7

Only take heart and be very strong; take care to do all the law which Moses my servant gave you, not turning from it to the right hand or to the left, so that you may do well in all your undertakings.

Psalm 19:11

By them is your servant made conscious of danger, and in keeping them there is great reward.

Isaiah 1:19-20

If you will give ear to my word and do it, the good things of the land will be yours;

Philippians 1:27

Only let your behaviour do credit to the good news of Christ, so that if I come and see you or if I am away from you, I may have news of you that you are strong in one spirit, working together with one soul for the faith of the good news;

Treasury of Scripture Knowledge

Summary

Only if thou carefully hearken unto the voice of the LORD thy God, to observe to do all these commandments which I command thee this day.

Bible References

General references

Deuteronomy 4:9
Only take care, and keep watch on your soul, for fear that the things which your eyes have seen go from your memory and from your heart all the days of your life; but let the knowledge of them be given to your children and to your children's children;
Deuteronomy 11:13
And it will be that if you truly give ear to the orders which I put before you this day, loving the Lord your God and worshipping him with all your heart and all your soul,
Deuteronomy 28:1
Now if you give ear to the voice of the Lord your God, and keep with care all these orders which I have given you today, then the Lord your God will put you high over all the nations of the earth:
Leviticus 26:3
If you are guided by my rules, and keep my laws and do them,
Joshua 1:7
Only take heart and be very strong; take care to do all the law which Moses my servant gave you, not turning from it to the right hand or to the left, so that you may do well in all your undertakings.
Psalm 19:11
By them is your servant made conscious of danger, and in keeping them there is great reward.
Isaiah 1:19
If you will give ear to my word and do it, the good things of the land will be yours;
Philippians 1:27
Only let your behaviour do credit to the good news of Christ, so that if I come and see you or if I am away from you, I may have news of you that you are strong in one spirit, working together with one soul for the faith of the good news;

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain