Stanley Kubrick Explains the Ending of 2001: A Space Odyssey

I think the only time I've ever actually seen Stanley Kubrick explain the ending of 2001 in such unambiguous terms.

The clip is taken from a series of interviews (mostly with Vivian Kubrick) conducted by Jun'ichi Yaoi while he visited the set of The Shining for an unaired Japanese documentary on the Paranormal. The rest of the video is fascinating.