I once knew
With heaven-blessed certainty
The way, the truth and the life
And I knew that I had it all
I walked on the one, true, holy, catholic, apostolic
Way
I learned the one, true, divinely ordained
Truth
Not of the Bible
But of the Church
I wanted the one, true, only saintly
Life 
Living, dying, rising again, immortal
In accordance with Catholic theology

Later, I knew
With rationally-sanctified certainty
That all I once knew
Was best unlearned
And I knew
In that then that was once my now
I was finally on the right way
To the only real truth
By which to guide my life

Now, I know
The wonder and the rest
The glory and the peace
The blessing and the grace
Of Unknowing

Now my way, my truth, my life
Rests upon Divine Unknowable Love