How can someone teach something that they themselves don't do? ...[M]ath teachers ...should ...understand what mathematics is, be good at it, and enjoy doing it

— Paul Lockhart, A Mathematician's Lament (2008)

Source: https://profkeithdevlin.org/wp-content/uploads/2023/09/lockhartslament.pdf

Appeared in Devlin's Angle (2008) and on MAA Online (2009).

Topics: learning