To arrive at the edge of the world's knowledge, seek out the most complex and sophisticated minds,
put them in a room together, and have them ask each other the questions they are asking themselves.
Links:
[1] http://www.edge.org/conversation/the-science-of-gender-and-science-a-debate
[2] http://edge.org/event/special/the-science-of-gender-and-sciencepinker-vs-spelkea-debate
