Found in 2 comments on Hacker News
aflinik · 2015-09-11
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It's included in this collection:
http://www.amazon.com/Imaginary-Magnitude-Stanislaw-Lem/dp/0...
It might be more philosophy of AI than science fiction. It takes form of series of lectures that superintelligent (singularity level AI) gives to humanity before it goes away.