A person who knows all the answers, has an opinion on everything, has a certainty backed up by rational argument, has very little possibility of further progress. Such a person is unlikely to walk away from a discussion with anything more than a reaffirmation of how right he or she has been all along.

Complacency with our traditional judgement based thinking methods is not enough. Our existing thinking habits are excellent just as the rear wheel of a motor car is excellent but not enough. We need to put far more emphasis on creative and design thinking. Judgement and analysis are not enough.

To be successful you have to be lucky, or a little mad, or very talented, or find yourself in a rapid growth field.

The vertical thinker says: 'I know what I am looking for.' The lateral thinker says: 'I am looking but I won't know what I am looking for until I have found it.'

A question is a polite way of demanding something.

I think school is a place where thinking should be taught.

We may need to solve problems not by removing the cause but by designing the way forward even if the cause remains in place.