Humans think they are smarter than dolphins because we build cars and buildings and start wars etc., and all that dolphins do is swim in the water, eat fish and play around. Dolphins believe that they are smarter for exactly the same reasons.

Earth: mostly harmless

One of the problems of taking things apart and seeing how they work - supposing you're trying to find out how a cat works--you take that cat apart to see how it works, what you've got in your hands is a non-working cat. The cat wasn't a sort of clunky mechanism that was susceptible to our available tools of analysis.

He felt a spasm of excitement because he knew instinctively who it was, or at least knew who it was he wanted it to be, and once you know what it is you want to be true, instinct is a very useful device for enabling you to know that it is.

The world is a thing of utter inordinate complexity and richness and strangeness that is absolutely awesome.

The longest and most destructive party ever held is now into its fourth generation and still no one shows any signs of leaving. Somebody did once look at his watch, but that was eleven years ago now, and there has been no follow up.

One nonabsolute number is the given time of arrival, which is now known to be one of the most bizarre of mathematical concepts, a number whose existence can only be defined as being anything other than itself. In other words, the given time of arrival is the one moment of time at which it is impossible that any member of the party will arrive.