He who will know fully the vanity of man has only to consider the causes and effects of love. The cause is a _je ne sais quoi_ (Corneille),[76] and the effects are dreadful. This _je ne sais quoi_, so small an object that we cannot recognise it, agitates a whole country, princes, armies, the entire world.
Lugar: Part I, 1, 2, c. 1, section 4.[44] · ¶498 Licença: Public domain · Fonte O texto é dado como na edição, sem alterações.