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.

It is the duty of righteous men to make war on all undeserved privilege, but one must not forget that this is a war without end.

I am constantly amazed by man's inhumanity to man.

Anyone who has obeyed nature by transmitting a piece of gossip experiences the explosive relief that accompanies the satisfying of a primary need.

This is the most immediate fruit of exile, of uprooting: the prevalence of the unreal over the real. Everyone dreamed past and future dreams, of slavery and redemption, of improbable paradises, of equally mythical and improbable enemies; cosmic enemies, perverse and subtle, who pervade everything like the air.

We collected in a group in front of their door, and we experienced within ourselves a grief that was new for us, the ancient grief of the people that has no land, the grief without hope of the exodus which is renewed in every century.

Perfection belongs to narrated events, not to those we live.