As a planet, we are at risk of destruction (for example, gradually by the warming of the planet; or rapidly, by nuclear war or a pathogen that gets out of control). And these threats require us to work together, and not just to announce our diversity.

Any profession should have norms around the issue you raise. And, in the words of the great economic thinker Albert Hirschman, we all owe a measure of loyalty to professional norms. But when the norms seem unhelpful or unproductive, one needs to speak up - to activate voice. And in the extreme, if the profession and one's colleagues seem estranged from a thoughtfully selected course of action, you need to consider the possibility of exit. Of course, if you knowingly violate norms or laws, you need to be prepared to face the consequences - or to lead a revolution!

Teachers must be encouraged - I almost said 'freed', to pursue an education that strives for depth of understanding.

While I’ve worked on many topics and written many books, I have not abandoned my interest in multiple intelligences.

We need to focus on the kind of human beings we want to have and the kind of society in which we want to live.

Twenty-five years ago, the notion was you could create a general problem-solver software that could solve problems in many different domains. That just turned out to be totally wrong.

Intelligence is the ability to find and solve problems and create products of value in one's own culture.