'Observe' in the Bible

so that Jehovah doth establish His word which He spake unto me, saying, If thy sons observe their way to walk before Me in truth, with all their heart, and with all their soul; saying, There is not cut off a man of thine from the throne of Israel.

"As for this temple you are building, if you follow my rules, observe my regulations, and obey all my commandments, I will fulfill through you the promise I made to your father David.

and had commanded him concerning this thing, that he should not go after other gods; but he did not observe what the Lord had commanded.

Then the king of Israel called all the elders of the land and said, “Please observe and see how this man is looking for trouble; for he sent to me for my wives and my children and my silver and my gold, and I did not refuse him.”

Then the prophet came near to the king of Israel and said to him, “Go, strengthen yourself and observe and see what you have to do; for at the turn of the year the king of Aram will come up against you.”

Now the men did diligently observe whether any thing would come from him, and did hastily catch it: and they said, Thy brother Benhadad. Then he said, Go ye, bring him. Then Benhadad came forth to him; and he caused him to come up into the chariot.

This is what she wrote: "Observe a time of fasting and seat Naboth in front of the people.