'Diligently' in the Bible

with this money, therefore, you shall diligently buy bulls, rams and lambs, with their grain offerings and their drink offerings and offer them on the altar of the house of your God which is in Jerusalem.

“I, even I, King Artaxerxes, issue a decree to all the treasurers who are in the provinces beyond the River, that whatever Ezra the priest, the scribe of the law of the God of heaven, may require of you, it shall be done diligently,