Time is still the great mystery to us. It is no more than a concept; we don't know if it even exists... - Clifford D. Simak

They changed," said Enid, "from corporeal beings, from biological beings, to incorporeal beings, immaterial, pure intelligences. They now are ranged in huge communities on crystal lattices...

There have been moments when I also wasn’t able to attach as much importance to football as it seemed to me I should.

It's a wonder to me," said Adams sourly, "that you don't simply melt down in the white heat of your brilliance.