Similar story: 7th grade math teacher had left my school unexpectedly and so the principal, who had been in WW2, took over math class.

He told amazing and brutal stories of his time in the war, while also doubling the normal curriculum speed to do 2 years of math in 1.

But if… https://t.co/SHIR55STGD— Elon Musk (elonmusk) January 16, 2026 https://x.com/elonmusk/sta...