Which preposition to use with worthiness

of Occurrences 20%

Therefore they worship; and their worship finds a natural vent in words most fit though few, but all expressing utter trust and utter satisfaction in the worthiness of God.

by Occurrences 1%

For I would not have you declare yourself to the world until you have proved your worthiness by your deeds.

for Occurrences 1%

But who could estimate the value of the struggle in strengthening and deepening their love for each other and their worthiness for each other?

in Occurrences 1%

Or if it comes into her mind to serve tables, and to listen in all faith to the miracles of spiritualism, am I, lest I should pain her, to feign a surrender of all my notions of evidence, to pretend a transformation of all my ideas of worthiness in life and beyond life, and to go to séances with the same regularity and seriousness with which you go to church?

Which preposition to use with  worthiness