1. First, anyone who seriously intends to become a philosophermust "once in his life" withdraw into himself and attempt,within himself, to overthrow and build anew all the sciencesthat, up to then, he has been accepting. Philosophy wisdom(sagesse) is the philosophizer's quite personal affair. It mustarise as His wisdom, as his self-acquired knowledge tendingtoward universality, a knowledge for which he can answer fromthe beginning, and at each step, by virtue of his own absoluteinsights.
Cartesian Meditations: An Introduction to Phenomenology
