Here I had tried a ...

Here I had tried a straightforward extrapolation of technology, and found myself precipitated over an abyss. It's a problem we face every time we consider the creation of intelligences greater than our own. When this happens, human history will have reached a kind of singularity - a place where extrapolation breaks down and new models must be applied - and the world will pass beyond our understanding.
 Vernor Vinge

Quotes from the same author

So much technology, so little talent.
 Vernor Vinge
But every time our ability to access information and to communicate it to others is improved, in some sense we have achieved an increase over natural intelligence.
 Vernor Vinge
One of his greatest talents was empathy; no sadist can aspire to perfection without that diagnostic ability.
 Vernor Vinge
Once upon a time I was such a good liar; I could talk the fish right into my mouths.
 Vernor Vinge
He was guided by what he saw rather than by what he wanted to believe.
 Vernor Vinge