On being: Arrogance is not the prerogative of the gifted.

Excellence is the asymptotic state that never quite reaches perfection.

Singapore gives 10% "white space" time to all of its teachers to come up with their own innovations outside of the official curriculum. This encourages teachers to turn to their colleagues for inspiration and ideas.

On government & unions: the only thing worse than blind trust is blind mistrust.

High performance leaders create an inspiring future by connecting with a classic and honorable past.

Strong professional communities risk and sometimes relish conflict.

We will not achieve high performance in education if we replace teachers with machines or turn teachers into machines.