This sentence contradicts itself - no actually it doesn't.

It as if you took a lot of very good food and some dog excrement and blended it all up so that you can't possibly figure out what's good or bad. It's an intimate mixture of rubbish and good ideas, and it's very hard to disentangle the two, because these are smart people; they're not stupid.

Irrationality is the square root of all evil.

I am the thought you are now thinking.

We all have heard it claimed that 13 is an 'unlucky number.' Indeed, there are many hotels in America that for this very reason claim not to have a 13th floor, in the sense that there is no button bearing the label '13' in their elevators (I recently stayed in one in New York, in fact).

It is an inherent property of intelligence that it can jump out of a task which it is performing and survey what it has done.

The paraphrase of Gödel's Theorem says that for any record player, there are records which it cannot play because they will cause its indirect self-destruction.