Vous avez cherché: voluntas ut natura (Latin - Anglais)

voluntas ut ratio
will be system

noluit audire amasias eo quod domini esset voluntas ut traderetur in manibus hostium propter deos edo
but amaziah would not hear; for it came of god, that he might deliver them into the hand of their enemies, because they sought after the gods of edom.

de apollo autem fratre multum rogavi eum ut veniret ad vos cum fratribus et utique non fuit voluntas ut nunc veniret veniet autem cum ei vacuum fueri
as touching our brother apollos, i greatly desired him to come unto you with the brethren: but his will was not at all to come at this time; but he will come when he shall have convenient time.