In high performing countries, principals are working with highly qualified teachers who come from the top tiers of the graduation range, who have been rigorously prepared in universities and through supervised practice in schools, and who remain in education for all of their careers.

There is no morality without temptation; otherwise it is just lack of opportunity.

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

Walking makes us take problems in our stride.

Every learner has special needs.

Teaching is not the oldest profession. But it is certainly among the loneliest.

Improvement is about doing something better; innovation is about doing something new.