The Commonplace Book

Notes from the table

The mentors, their lives and philosophies, and the craft of learning itself.

Meet Thomas Edison: Ten Thousand Ways

Three months of schooling, 1,093 patents — and the invention that mattered most was the invention factory itself.

Much of his map was redrawn — but he found the territory: the mind keeps secrets from itself.

Psychology studied the broken; he insisted on studying the best — and found a hierarchy with your name on it.

The century's most cheerful debater judged every policy by one test: what actually happened?

Suicidal at 32, he decided instead to become an experiment: what can one average man do for humanity?

America's funniest writer went bankrupt on a gadget — then circled the globe past sixty to repay every cent, voluntarily.

He stopped two national panics from his private library — on the strength of a handshake.

He commanded D-Day, drafted the failure memo in advance — and gave his name to the matrix on your whiteboard.

Failed farmer, failed businessman, store clerk — then history handed him a war and found out who he was.

He turned Voyager's camera around, and gave humanity its most humbling family photo.

Journal posts, new mentors, and a weekly digest — pick your topics, leave any time.