Full Idea
The philosopher's product is his life (first, before his works). It is his work of art.
Gist of Idea
The first aim of a philosopher is a life, not some works
Source
Friedrich Nietzsche (Unpublished Notebooks 1872-74 [1873], 29 [205])
Book Reference
Nietzsche,Friedrich: 'Unpublished of 'Unfashionable Obs' period (v 11)', ed/tr. Gray,Richard T. [Stanford 1995], p.274