All transitions from a tendency to its contrary pass through the stage of indifference, and this moment is the most dangerous for an author, but, in my opinion, the most favorable for the science.
Joera batetik kontrako joerara aldatzeak ez-axolatasunezko egoera batetik pasatu behar izaten du; une hau, berriz, kaltegarriena da autore batentzat, baina, nire ustez, probetxugarriena ere bai zientziarentzat.