Our Teachers Deserve Better Feedback.

A Top-quartile Teacher Will Increase The Performance Of Their Class - Based On Test Scores - By Over 10 Percent In A Single Year. ... That Means That If The Entire U.s., For Two Years, Had Top-quartile Teachers, The Entire Difference Between Us And Asia Would Go Away.

Married Life Is A Simpler Life. Who I Spend My Time With Is Established In Advance.

Don't Let Complexity Stop You.

Billionaires Should Never Be Responsible For Solving Problems, Because They're Not The Government.

I Have Been Struck Again And Again By How Important Measurement Is To Improving The Human Condition.