To give real service you must add something which cannot be bought or measured with money, and that is sincerity and integrity.
The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair.
If you try and take a cat apart to see how it works, the first thing you have on your hands is a nonworking cat.
I used to be a great fan of doing crosswords. When you're fiddling around with anagrams, you get wonderful jumbles of syllables that become interesting.
If somebody thinks they're a hedgehog, presumably you just give 'em a mirror and a few pictures of hedgehogs and tell them to sort it out for themselves.
My absolute favourite piece of information is the fact that young sloths are so inept that they frequently grab their own arms and legs instead of tree limbs, and fall out of trees.