Time is not an empirical concept. For neither co-existence nor succession would be perceived by us, if the representation of time did not exist as a foundation a priori.
Genius is a will-o'-the-wisp if it lacks a solid foundation of perseverence and fanatical tenacity. This is the most important thing in all of human life.
Above all, one hideous figure grew as familiar as if it had been before the general gaze from the foundations of the world - the figure of the sharp female called La Guillotine. It was the popular theme for jests; it was the best cure for headache, it infallibly prevented hair from turning gray, it imparted a peculiar delicacy to the complexion, it was the National Razor which shaved close: who kissed La Guillotine looked through the little window and sneezed into the sack.