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.

One of the secrets of life is that all that is really worth the doing is what we do for others.

We haven't any and you're too young.

'Who's been repeating all that hard stuff to you?' 'I read it in a book,' said Alice. 'But I had some poetry repeated to me, much easier than that, by - Tweedledee, I think it was.' 'As to poetry, you know,' said Humpty Dumpty, stretching out one of his great hands, 'I can repeat poetry as well as other folk, if it comes to that - ' 'Oh, it needn't come to that!' Alice hastily said, hoping to keep him from beginning.

Would you tell me, please, which way I ought to go from here?

It'll be no use their putting their heads down and saying "Come up again, dear!" I shall only look up and say "Who am I then? Tell me that first, and then, if I like being that person, I'll come up: if not, I'll stay down here till I'm somebody else"--but, oh dear!' cried Alice, with a sudden burst of tears, 'I do wish they WOULD put their heads down! I am so VERY tired of being all alone here!

Everything is funny, if you can laugh at it.