This from his book on epistemology:
Certitude cannot be construed as a search for relief from the weight of singular existence
The Philosophy of Knowledge, p.293-294
I would add only that in laying hold of truth by the free assent of the inner man, in discovering that certain truths are subjective insofar as they are personal–only laid hold of by persons as persons–the weight of responsibility, of insecurity is transformed into a weight of glory, into the glory of communion, of not just knowing truth, but embodying and participating in it, and perhaps also communicating it creatively and humanely.
Same & Other 