I began the study of medicine impelled by a desire for knowledge of facts...
Even scientific knowledge if there is anything to it is not a random...
Only then approaching my fortieth birthday I made philosophy my life's work.
If philosophy is practice a demand to know the manner in which its history...
The history of philosophy is not like the history of the sciences to be...
Such a faith would be fatal to my reason to my liberty and even to the success of my undertakings it would immediately transform me into a stupid slave an instrument of the will and interests of others.
