"That is to say, nature's laws are causal; they reveal themselves by comparison and difference, and they operate at every multivariate space/time point"

This quote by Edward Tufte is referring to the laws of nature and how they are expressed. He is saying that these laws are causal, indicating that they are the cause of certain effects. He is likewise saying that these laws can be exposed by comparing and contrasting different components. Lastly, he is stating that these laws are in effect at all times and in all locations. This indicates that the laws of nature are always in result, no matter where or when. This quote is highlighting the importance of comprehending the laws of nature and how they affect our lives. It is also highlighting the significance of having the ability to acknowledge patterns and reason from them. By comprehending the laws of nature, we can better understand the world around us and make more informed choices.