“It is neither cowardice nor betrayal to insist that the Enlightenment's main lesson is to be mindful of how much it has left its inheritors to figure out.”

“Neither a space station nor an enlightened mind can be realized in a day.”

“He who has peace of mind disturbs neither himself nor another.”

“This, dear Phaedrus, is the most important point: no geometry without the word. Without it, figures are accidents, and neither make manifest nor serve the power of the mind.”

“And shortly after that the blob became a figure. And then, as Bruno got even closer, he saw that the thing was neither a dot nor a speck nor a blob nor a figure, but a person.”

“And no Grand Inquisitor has in readiness such terrible tortures as has anxiety, and no spy knows how to attack more artfully the man he suspects, choosing the instant when he is weakest, nor knows how to lay traps where he will be caught and ensnared, as anxiety knows how, and no sharp-witted judge knows how to interrogate, to examine the accused as anxiety does, which never lets him escape, neither by diversion nor by noise, neither at work nor at play, neither by day nor at night.”