The exercise of power is determined by thousands of interactions between the world of the powerful and that of the powerless, all the more so because these worlds are never divided by a sharp line: everyone has a small part of himself in both.Vaclav Havel
The meeting of two personalities is like the contact of two chemical substances: if there is any reaction, both are transformed.Carl Jung
For good ideas and true innovation, you need human interaction, conflict, argument, debate.Margaret Heffernan