successfully

Immediately therefore I offered sacrifices on behalf of you, your sister, your children, and your friends, and all the people prayed that your plans might prosper continually, and that Almighty God might preserve your kingdom in peace with honour, and that the translation of the holy law might prove advantageous to you and be carried out successfully.

The answer is that Reason is not master over defects inhering in the mind itself, but over the passions or moral defects that are adverse to justice and manliness and temperance and judgement; and its action in their case is not to extirpate the passions, but to enable us to resist them successfully.