But what's worth more than gold?"

"Practically everything. You, for example. Gold is heavy. Your weight in gold is not very much gold at all. Aren't you worth more than that?

But, in truth, it had not exactly been gold, or even the promise of gold, but more like the fantasy of gold, the fairy dream that the gold is there, at the end of the rainbow, and will continue to be there forever - provided, naturally, that you don't go and look. This is known as finance.

gold, gold, gold, gold, gold, gold"
'Is there a chorus?'
"Gold, gold, gold, gold, gold".' said Hwel.
'You left out a "gold" there.

Rincewind stared, and knew that there were far worse things than Evil. All the demons in Hell would torture your very soul, but that was precisely because they valued souls very highly; evil would always try to steal the universe, but at least it considered the universe worth stealing. But the gray world behind those empty eyes would trample and destroy without even according its victims the dignity of hatred. It wouldn't even notice them.

Titles of honor are like the impressions on coins, which add no value to gold or silver, but only render brass current

Authors, like coins, grow dear as they grow old:It is the rust we value, not the gold.