Odd, but a google search on that phrase, "The duty that we owe to the Creator", only turns up one result.....from you.
Try the - Virginia Bill of Rights of 1776 - George Mason is credited with it - Patsy Henry claimed he formulated it - James Madison used it in his Memorial - Two of the five religious freedom amendments recommended by the State Conventions (Va. and N. C.) - St. George Tucker used it in his famous 1803 commentaries - The Supreme Court adopted it in 1878 in Reynolds v. U. S.