“Apes have a wide variety of sexual arrangements. That means, by the way, that there is no such thing as an ape legacy that humans are doomed to live by.”

“Even evolutionary explanations of the traditional division of labor by sex do not imply that it is unchangeable, natural in the sense of good, or something that should be forced on individual women...”

“As technology accumulates and people in more parts of the planet become interdependent, the hatred between them tends to decrease, for the simple reason that you can't kill someone and trade with h...”

“Instead of asking, Why is there war? we might ask, Why is there peace? We can obsess not just over what we have been doing wrong but also over what we have been doing right. Because we have been do...”

“The main reason that violence correlates with low socioeconomic status today is that the elites and the middle class pursue justice with the legal system while the lower classes resort to what scho...”

“Friendship, like other kinds of altruism, is vulnerable to cheaters, and we have a special name for them: fair-weather friends. These sham friends reap the benefits of associating with a valuable p...”

“The cave you fear to enter holds the treasure you seek.”

“Peeta, I say lightly. You said at the interview youd had a crush on me forever. When did forever start?Oh, lets see. I guess the first day of school. We were five. You had on a red plaid dress and ...”

“Dreams hit the fan? Life unexpectedly take a turn for the worst? Heres what you do:First thing I think is to realize God didnt do this to you. Its just life.Second, know that it sucks. It does.Thir...”

“Maybe each human being lives in a unique world, a private world different from those inhabited and experienced by all other humans. . . If reality differs from person to person, can we speak of rea...”

“The only thing that makes life possible is permanent, intolerable uncertainty: not knowing what comes next.”

“And although I have seen nothing but black crows in my life, it doesn't mean that there's no such thing as a white crow. Both for a philosopher and for a scientist it can be important not to reject...”

“Knowledge, like air, is vital to life. Like air, no one should be denied it.”

“Science is organized knowledge. Wisdom is organized life.”

“I definitely learned a lesson this time. I know that I can be broken. I am not as tough as I thought. I see it now. At this point, it's the only thing good that came out of all of this. I know myse...”