“There is no greater impediment to the advancement of knowledge than the ambiguity of words.”

“But when, in the first setting out, he takes it for granted without proof, that distinctions found in the structure of all languages, have no foundation in nature; this surely is too fastidious a w...”

“If there is anything that can be called genius it consists chiefly in the ability to give that attention to a subject which keeps it steadily in the mind till we have surveyed it accurately on al...”

“Every conjecture we can form with regard to the works of God has as little probability as the conjectures of a child with regard to the works of a man.”

“If there is anything that can be called genius it consists chiefly in the ability to give that attention to a subject which keeps it steadily in the mind till we have surveyed it accurately on all ...”

“I've always fantasized about being on TV. And I was. Then I fantasized about being in the movies. What could be better than captain of a space ship? I get to ride horses, shoot guns, have adventures.”

“Can you imagine, in 2030, taking a space cruise on the very ship that carried the first human beings to Mars? I can't believe that people wouldn't line up for that possibility.”

“What's aero braking? That's a way to use the gravity and upper atmosphere of Earth to sling shot a ship out either deeper into space, or slow it down to be 'captured' by Earth's gravity.”

“This was about more than semantics; it represented a dangerous shift in perspective.Rio was not at war, I pointed out; and even if it were, wars have rules.”

“Rules are for people with the luxury of time.”

“Rules are for those who can't think of a better way.”

“I dont want any of this. I just want to be what I was before you showed up here and all hell broke loose. I want to be popular and dating the hottest guy in school. Now Im none of those things, and...”

“The prisoners of the cultures are mostly the women! House is the name of the prison!”

“Our own place is mall perhaps, but when your old man is eaten by his own shadow, you realise that maybe in every house, something so savage and sad and brilliant is standing up, without the world e...”