“... very few people know that porn has not been shown to cause mental illness or crime... there is no evidence for this cause-effect relationship, according to many researchers who have tested this claim with studies.”

“Small causes can often have large effects. Smaller causes can have even bigger effects, and the very biggest effects frequently have no cause at all. Witness, for example, the world. It was created out of nothing, and that has made it the worst calamity the world has ever seen.”

“Economics is a study of cause-and-effect relationships in an economy. It's purpose is to discern the consequences of various ways of allocating resources which have alternative uses. It has nothing to say about philosophy or values, anymore than it has to say about music or literature.”

“If too much has been made of the symptoms of Plath’s mental illness, so too little attention has been paid to its possible causes. Sylvia Plath was an angry young woman born in a country and at a time that only exacerbated and intensified her fury.”

“If goodness has causes, it is not goodness; if it has effects, a reward, it is not goodness either. So goodness is outside the chain of cause and effect.”

“Conservatives, who have presumed that the key to preventing AIDS is abstinence-only education, and liberals, who have focused on distribution of condoms, should both note that the intervention that has tested most cost-effective in Africa is neither... Secular bleeding hearts and religious bleeding hearts will have to forge a common cause.”