'Observe Them Carefully' in the Bible

Observe them carefully, because this will show your wisdom and discernment in the eyes of people who'll listen to all these decrees. Then they'll say: "Surely this great nation is a wise and discerning people.'

Then Moses summoned all Israel and said to them:“Hear, O Israel, the statutes and the ordinances which I am speaking today in your hearing, that you may learn them and observe them carefully.

The Lord will make you the head and not the tail, and you only will be above, and you will not be underneath, if you listen to the commandments of the Lord your God, which I charge you today, to observe them carefully,