Only as an individual can man become a philosopher.
Philosophy can only be approached with the most concrete comprehension.
Only then, approaching my fortieth birthday, I made philosophy my life's work.
Philosophy is tested and characterised by the way in which it appropriates its history.
To decide to become a philosopher seemed as foolish to me as to decide to become a poet.
My own being can be judged by the depths I reach in making these historical origins my own.
As a universal history of philosophy, the history of philosophy must become one great unity.
At the present moment, the security of coherent philosophy, which existed from Parmenides to Hegel, is lost.
Philosophy as practice does not mean its restriction to utility or applicability, that is, to what serves morality or produces serenity of soul.
Philosophic meditation is an accomplishment by which I attain Being and my own self, not impartial thinking which studies a subject with indifference.