'According' in the Bible

It has happened to them according to the true proverb, “A dog returns to its own vomit,” and, “A sow, after washing, returns to wallowing in the mire.”

But according to His promise we are looking for new heavens and a new earth, in which righteousness dwells.

and regard the patience of our Lord as salvation; just as also our beloved brother Paul, according to the wisdom given him, wrote to you,