'What is the use of a book', thought Alice, 'without pictures or conversations?'

We're all mad here.

Beware the Jabberwock, my son The jaws that bite, the claws that catch! Beware the Jubjub bird, and shun The frumious Bandersnatch!

Come, hearken then, ere voice of dread, with bitter tiding laden, shall summon to unwelcome bed a melancholy maiden! We are but older children, dear, who fret to find our bedtime near.

'And how, who am I? I will remember, if I can! I'm determined to do it!' But being determined didn't help much.

Better say nothing at all. Language is worth a thousand pounds a word!

If doubtful whether to end with "yours faithfully," or "yours truly," or "yours most truly," &c. (there are at least a dozen varieties, before you reach "yours affectionately"), refer to your correspondent's last letter, and make your winding-up at least as friendly as his: in fact, even if a shade more friendly, it will do no harm!