And now, my poor old woman, why are you crying so bitterly? It is autumn. The leaves are falling from the trees like burning tears- the wind howls. Why must you mimic them?

Nanny's words made Janie's kiss across the gatepost seem like a manure pile after a rain

...as vivid and fabulous as a unicorn...

Using a metaphor in front of a man as unimaginative as Ridcully was like a
red flag to a bu... was like putting something very annoying in front of
someone who was annoyed by it.

Where to start?
Everything cracks and shakes,
The air trembles with similes,
No one world's better than another;
the earth moans with metaphors.

Life is like an onion; you peel it off one layer at a time, and sometimes you weep.