Are we all hopeless ignorants? Or pitiable cowards – heads in sand? Why is it, that we are readily looking for others to prevent distaster from striking? Why are we so frequently shying away from making unfavourable decisions and why do we not speak our minds in all those meetings or seminars we attend on a regular basis? Most people instinctively avoid conflict, says Margaret Heffernan and demonstrates in this talk, that a good disagreement is vital to progress. The best partners aren’t those who echo an opinion in a stereotype way. Quite on the contrary! Great research teams, relationships and businesses allow people to fundamentally disagree.