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...
Having knowledge but lacking the power to express it clearly is no better than never having any ideas at all.