MOTIVATING MOTIVES



Among all the mathematical discoveries which I've been privileged to make,
the concept of the motive still impresses me as the most fascinating,
the most charged with mystery —
indeed at the very heart of the profound identity
of geometry and arithmetic.

Alexander Grothendieck, Récoltes et Semaille


John C. Baez
Grothendieck's Approach to Mathematics
Chapman University
May 25, 2021