Well, "slithy" means "lithe and slimy." "Lithe" is the same as "active." You see it's like a portmanteau - there are two meanings packed up into one word.

Keep your temper, said the Caterpillar.

She [Alice] went on "And how do you know that you're mad?" "To begin with," said the Cat, "a dog's not mad. You grant that?" "I suppose so," said Alice. "Well, then," the Cat went on, "you see, a dog growls when it's angry, and wags it's tail when it's pleased. Now I growl when I'm pleased, and wag my tail when I'm angry. Therefore I'm mad."

'Speak when you're spoken to!' The Queen sharply interrupted her. 'But if everybody obeyed that rule,' said Alice, who was always ready for a little argument, 'and if you only spoke when you were spoken to, and the other person always waited for you to begin, you see nobody would ever say anything, so that - ' 'Ridiculous!' cried the Queen. 'Why, don't you see, child - ' here she broke off with a frown, and, after thinking for a minute, suddenly changed the subject of the conversation.

She's stark raving mad!

I dare say you never even spoke to Time!" "Perhaps not," Alice cautiously replied; "but I know I have to beat time when I listen to music." "Ah! That accounts for it," said the Hatter. "He won't stand a beating. Now, if only you kept on good terms with him, he'd do almost anything you like with the clock.

No good fish goes anywhere without a porpoise.