'was' and 'to be'. The 'dignus fui' has here the sense of 'dignum me
habuit Deus'. See Herbert's little poem in the Temple:

Sweetest Saviour, if my soul
Were but worth the having,
Quickly should I then control
Any thought of waving;
But when all my care and pains
Cannot give the name of gains
To thy wretch so full of stains,
What delight or hope remains?


Ib. p. 404.

The chiefest physic for that disease (but very hard and difficult it
is to be done) is, that they firmly hold such cogitations not to be
theirs, but that most sure and certain they come of the Devil.

More and more I understand the immense difference between the
Faith-article of 'the Devil' ([Greek: tou Ponaeroù]) and the
superstitious fancy of devils: 'animus objectivus dominationem in'
[Greek: tòn Eimì] 'affectans'; [Greek: oútos tò méga órganon Diabólou
hypárchei].


Chap. XLIV. p. 431.

I truly advise all those (said Luther) who earnestly do affect the
honor of Christ and the Gospel, that they would be enemies to Erasmus