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.

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.

I'm very brave generally,' he went on in a low voice: 'only today I happen to have a headache.' (Tweedledum)

Whatever is worth doing is worth doing well.

Here is a golden Rule.... Write legibly. The average temper of the human race would be perceptibly sweetened, if everybody obeyedthis Rule!

I should like the whole race of nurses to be abolished: children should be with their mother as much as possible, in my opinion.

There's no use in comparing one's feelings between one day and the next; you must allow a reasonable interval, for the direction of change to show itself.