Don't raise the bar and narrow the gap, but narrow the gap to raise the bar.

Change is easy to propose, hard to implement, and especially hard to sustain.

Culture is the possibility and impossibility that bacon and fruit can appear on the same plate.

On technology: The teacher is mightier than the mouse.

Blame and betrayal are the emotional enemies of improvement.

High performing organizations have cultures of creativity and risk. They encourage workers to innovate and play.

The rules of the world are changing. It is time for the rules of teaching and teachers' work to change with them.