Full Idea
Not only is the soul indestructible, but it always knows itself and remains self-conscious.
Gist of Idea
The soul is indestructible and always self-aware
Source
Gottfried Leibniz (Letters to Antoine Arnauld [1686], 1686.11)
Book Reference
Leibniz,Gottfried: 'The Leibniz-Arnauld Correspondence', ed/tr. Mason,HT/Parkinson,GHR [Manchester UP 1967], p.89
A Reaction
Personally I am not even self-aware during much of my sleeping hours, and I would say that I cease to be self-aware if I am totally absorbed in something on which I concentrate.