The biggest problem we have as human beings is that we confuse our beliefs with reality.

The result is - document destruction - we're really not going to be able to prove beyond a truth the negatives and some of the positive conclusions that we're going to come to. There will be always unresolved ambiguity here.

The future is not laid out on a track. It is something that we can decide, and to the extent that we do not violate any known laws of the universe, we can probably make it work the way that we want to.

Bad User on Device is a medium that can dynamically simulate the details of any other medium, including media that cannot exist physically. It is not a tool, although it can act like many tools. It is the first metamedium, and as such it has degrees of freedom for representation and expression never before encountered and as yet barely investigated.

Lisp isn't a language, it's a building material.

When I first prepared this particular talk... I realized that my usual approach is usually critical. That is, a lot of the things that I do, that most people do, are because they hate something somebody else has done, or they hate that something hasn't been done. And I realized that informed criticism has completely been done in by the web. Because the web has produced so much uninformed criticism. It's kind of a Gresham's Law-bad money drives the good money out of circulation. Bad criticism drives good criticism out of circulation. You just can't criticize anything.

The computer is simply an instrument whose music is ideas.