'Diligently' in the Bible

Only take heed to yourself, and keep your soul diligently, lest you forget the things which your eyes saw, and lest they depart from your heart all the days of your life; but make them known to your children and your children's children;

and you shall teach them diligently to your children, and shall talk of them when you sit in your house, and when you walk by the way, and when you lie down, and when you rise up.

You shall diligently keep the commandments of Yahweh your God, and his testimonies, and his statutes, which he has commanded you.

It shall happen, if you shall listen diligently to my commandments which I command you this day, to love Yahweh your God, and to serve him with all your heart and with all your soul,

For if you shall diligently keep all this commandment which I command you, to do it, to love Yahweh your God, to walk in all his ways, and to cling to him;

then you shall inquire, and make search, and ask diligently; and, behold, if it be truth, and the thing certain, that such abomination is done in the midst of you,

if only you diligently listen to the voice of Yahweh your God, to observe to do all this commandment which I command you this day.

and it be told you, and you have heard of it, then you shall inquire diligently; and behold, if it be true, and the thing certain, that such abomination is done in Israel,

Take heed in the plague of leprosy, that you observe diligently, and do according to all that the priests the Levites shall teach you: as I commanded them, so you shall observe to do.

It shall happen, if you shall listen diligently to the voice of Yahweh your God, to observe to do all his commandments which I command you this day, that Yahweh your God will set you on high above all the nations of the earth: