We have failed to protect science against speculative extensions of nature, continuing to assign physical and mathematical properties to hypothetical entities beyond what is observable in nature.
“There's this certain caliber of dancing I was striving for when I was younger, and it's very hard for me to go back and just do it for fun. But I take all other kinds of classes: I take jazz classes, modern classes, and I love doing that instead of going to the gym. The gym is not very much fun.”