At that time I had not yet been taught the doctrine I was later to learn so hurriedly in the Lager: that man is bound to pursue his own ends by all possible means, while he who errs but once pays dearly

Did chemistry theorems exist? No: therefore you had to go further, not be satisfied with the quia, go back to the origins, to mathematics and physics. The origins of chemistry were ignoble, or at least equivocal: the dens of the alchemists, their abominable hodgepodge of ideas and language, their confessed interest in gold, their Levantine swindles typical of charlatans and magicians; instead, at the origin of physics lay the strenuous clarity of the West-Archimedes and Euclid.

To accuse another of having weak kidneys, lungs, or heart, is not a crime; on the contrary, saying he has a weak brain is a crime.

The butterfly's attractiveness derives not only from colors and symmetry: deeper motives contribute to it. We would not think them so beautiful if they did not fly, or if they flew straight and briskly like bees, or if they stung, or above all if they did not enact the perturbing mystery of metamorphosis: the latter assumes in our eyes the value of a badly decoded message, a symbol, a sign.

Our ignorance allowed us to live, as you are in the mountains, and your rope is frayed and about to break, but you don't know it and feel safe.

At that time I had not yet been taught the doctrine I was later to learn so hurriedly in the Lager: that man is bound to pursue his own ends by all possible means, while he who errs but once pays dearly

A man who would mutilate himself is well damned, isn't he?