Cher Denis Diderot, happy 300th birthday!
Wherever you are – for you were a non-believer all your life, and the afterlife you looked forward to was one of infinitely recyclable molecules living on in ever new combinations. A process possibly without end, spinning out like the cosmos itself, but one that was sufficiently complex to leave room for human intervention.
So for 20 years of your life and against the odds you edited the Encyclopédie, aiming to consolidate what was known about agriculture, art, theology, trade – a raft of subjects that probably no other European would have dared bring together – in order that intervention might improve, and wrongs in human systems and thought be at least discussed, and if possible righted.
However, that changing of opinions and recycling of molecules requires energy – that you also knew. In deliciously underhanded ways you developed yours by writing: for instance, dialogues of speculative science prefiguring cloning (Le Rêve de D’Alembert); a hilarious novel (Jacques le fataliste), anticipating le nouveau roman of the 1950s and 1960s, one presenting a net of random co-occurrences out of which events develop in a way that mimics freedom. Your novel forms a net which thus appears as the paradoxical opposite of a linear, causal determinism, and from it we see that these apparent opposites take in each other’s philosophical washing: What is it to be free? Not to be determined. To be determined? Not to be free.
Notably kind, you yet had a talent for comedy and satire which you hid in unpublished work, the satire in the form of a novel-cum-dialogue (Le Neveu de Rameau). Unlike your friend-enemy Rousseau, you are not in the Panthéon; your work doesn’t appear as a set philosophical text in that summum of your country’s education ladder, the written exam of the agrégation en philosophie.
Your accolades are less of the Establishment, are more wayward and in the future – you will be translated by Goethe, be used as a springboard towards the dialectic by Hegel, and Freud will be glad to find in you a past confirmation of his Oedipus complex. Your work ghosting for others (the atheist d’Holbach), commenting on and round them (Helvétius and the believer Hemsterhuis) and collaborating namelessly on a history of colonialisms (L’histoire des Deux-Indes) has gently rocked beliefs without inculcating dogma or doctrine. We can’t turn you into a memorial, not yet anyway, there is too much to do. You make us keep on thinking. Thank you for all this, cher Denis Diderot!
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