Quote by Mary Douglas

"Purity and danger are not intrinsic qualities of things, but classifications depending on how we view the world."

"The abominations of Leviticus make sense once you understand the dietary laws are about maintaining categories."

"Pollution is a matter of perspective and social order."

"What is unclassified is dangerous because it threatens our understanding of the world."

"Science helps us understand the world."

"I've witnessed the birth of science, and it continues to amaze me."

"I'm something of a scientist myself."

"The fusion process is self-sustaining now!"