"It is certain that Pascal never passed a day without suffering, and hardly knew what sleep was (Nietzsche's case was the same); it is also certain that Pascal, instead of feeling the solid earth beneath his feet as other men do, felt himself hanging unsupported over a precipice, and that had he given way to the "natural" law of gravity he would have fallen into a bottomless abyss. All his Pensées tell us this, and nothing but this. p. 291"