“Illusions can be very convincing. No one has any reason to suspect that I am anything less than what I appear.”

“The more I learn about the universe, the less convinced I am that there's any sort of benevolent force that has anything to do with it, at all.”

“According to Adams, Jefferson proposed that he, Adams, do the writing [pf the Declaration of Independence], but that he declined, telling Jefferson he must do it.Why?" Jefferson asked, as Adams would recount.Reasons enough," Adams said.What can be your reasons?"Reason first: you are a Virginian and a Virginian ought to appear at the head of this business. Reason second: I am obnoxious, suspected and unpopular. You are very much otherwise. Reason third: You can write ten times better than I can.”

“What do you mean less than nothing? I don't think there is any such thing as less than nothing. Nothing is absolutely the limit of nothingness. It's the lowest you can go. It's the end of the line. How can something be less than nothing? If there were something that was less than nothing, then nothing would not be nothing, it would be something - even though it's just a very little bit of something. But if nothing is nothing, then nothing has nothing that is less than it is.”

“From all that I can collect by your manner of talking, you must be two of the silliest girls in the country. I have suspected it some time, but I am now convinced.”

“I am fully convinced that species are not immutable; but that those belonging to what are called the same genera are lineal descendants of some other and generally extinct species, in the same manner as the acknowledged varieties of any one species are the descendants of that species. Furthermore, I am convinced that natural selection has been the most important, but not the exclusive, means of modification.”