“This was the very limit beyond which none of them had ever speculated, or even known that there was any speculation to be done.”

“‎All my stupid little thoughts beget stupid little thoughts, rampantly speculating every possible outcome of every possible situation until they're all done to death and none of them could ever be true.”

“Well, of course, it was not any of my business but you get very queer glimpses of life sometimes, and you can't help speculating about them.”

“He made a careful rehearsal of some of their bits of talk--why had she said this? what had she meant by that? why had she done the other? He dwelt on these matters with an absorbed speculation, and with a young man of Ogden's temperament speculation was but the first step on the way to love.”

“Funny, they made this new genre called Speculative Fiction, I thought all fiction had always been speculative.”

“Most areas of intellectual life have discovered the virtues of speculation, and have embraced them wildly. In academia, speculation is usually dignified as theory.”