'Facts do not 'speak for themselves.' They speak for or against competing theories. Facts divorced from theories or visions are mere isolated curiosities.'

'The simplest and most psychologically satisfying explanation of any observed phenomenon is that it happened that way because someone wanted it to happen that …

'The march of science and technology does not imply growing intellectual complexity in the lives of most people. It often means the opposite.'

'It takes considerable knowledge just to realize the extent of your own ignorance.'