The basic idea that the ...

The basic idea that the purpose of life is to be happy or is to experience the most favorable ratio of pleasure to suffering or productivity to work or gratification to sacrifice or any of that stuff, which, you know, a couple generations ago, to say that kind of stuff would have made you, you know, a freak - a freak and an Epicurean - and now seems to be so much - simply an unquestioned assumption of the culture that we don\'t really even talk about it anymore.
The basic idea that the purpose of life is to be happy or is to experience the most favorable ratio of pleasure to suffering or productivity to work or gratification to sacrifice or any of that stuff, which, you know, a couple generations ago, to say that kind of stuff would have made you, you know, a freak - a freak and an Epicurean - and now seems to be so much - simply an unquestioned assumption of the culture that we don't really even talk about it anymore.
 David Foster Wallace

Quotes from the same author

Dr. Ambrose himself told Mark Nechtr...that the problem with young people, starting sometime in about the 1960s, is that they tend to live too intensely inside their own social moment, and thus tend to see all existence past age thirty or so as somehow postcoital. It's then that they'll relax, settle back, sad animals, to watch- and learn, as Ambrose himself said he learned from hard artistic and academic experience- that life instead of being rated a hard R, or even a soft R, actually rarely even makes it into distribution. Tends to be too slow.
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 David Foster Wallace
There is no such thing as not worshipping. Everybody worships. The only choice we get is what to worship. And an outstanding reason for choosing some sort of God or spiritual-type thing to worship - be it J.C. or Allah, be it Yahweh or the Wiccan mother-goddess or the Four Noble Truths or some infrangible set of ethical principles - is that pretty much anything else you worship will eat you alive.
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 David Foster Wallace
I was never the sort of child who believed in "monsters under the bed" or vampires, or who needed a night-light in his bedroom; on the contrary, my father...once laughingly told my mother that he thought I might suffer from a type of benign psychosis called "antiparanoia," in which I seemed to believe that I was the object of an intricate universal conspiracy to make me so happy I could hardly stand it.
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 David Foster Wallace
I submit that tennis is the most beautiful sport there is and also the most demanding. It requires body control, hand-eye coordination, quickness, flat-out speed, endurance, and that weird mix of caution and abandon we call courage. It also requires smarts. Just one single shot in one exchange in one point of a high-level match is a nightmare of mechanical variables.
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 David Foster Wallace
The key is the ability, whether innate or conditioned, to find the other side of the rote, the picayune, the meaningless, the repetitive, the pointlessly complex. To be, in a word, unborable... It is the key to modern life. If you are immune to boredom, there is literally nothing you cannot accomplish.
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 David Foster Wallace