Editing Cogito, ergo sum (section)

=== Martin Heidegger ===
As a critic of [[Cartesian Self|Cartesian subjectivity]], German philosopher [[Martin Heidegger]] sought to ground human subjectivity in death as that certainty which individualizes and authenticates our Being ([[Dasein]]). As he wrote in 1925 in ''History of the Concept of Time'':<ref>{{Cite book|last1=Heidegger|first1=Martin|url=https://www.jstor.org/stable/j.ctt16gzbw5|title=History of the Concept of Time: Prolegomena|last2=Kisiel|first2=Theodore|date=1985|publisher=Indiana University Press|isbn=978-0-253-32730-7|location=|pages=317|jstor=j.ctt16gzbw5}}</ref>{{blockquote|This certainty, that "I myself ''am'', in that I will die," is the basic certainty of [[Dasein]] itself. It is a genuine statement of Dasein, while ''cogito sum'' is only the semblance of such a statement. If such pointed formulations mean anything at all, then the appropriate statement pertaining to Dasein in its being would have to be ''sum moribundus'' [I am in dying], ''moribundus'' not as someone gravely ill or wounded, but insofar as I am, I am ''moribundus''. The ''MORIBUNDUS'' first gives the ''SUM'' its sense.}}