Will someone please post the passage in the Koran that tells Muslims to kill the infidels?

I keep hearing about this but have not located it personally.

I would like to:

A) see it posted here
B) round-table our thoughts on it

I'm serious about this. I doubt that most here have actually read the passage and we might have a very different take on it once we've read it.

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O'TEDDY BIN-SWIMIN