Rousseau has said in his Emile (book iv.): "Even though philosophers should be in a position to discover the truth, which of them would take any interest in it? Each one knows well that his system is not better founded than the others, but he supports it because it is his.... The essential thing is to think differently from others. With believers he is an atheist; with atheists he is a believer." How much substantial truth there is in these gloomy confessions of this man of painful sincerity.

The Tragic Sense of Life (1913) - III : The Hunger of Immortality