A Thaum is the basic unit of magical strength. It has been universally established as the amount of magic… — Terry Pratchett
A Thaum is the basic unit of magical strength. It has been universally established as the amount of magic needed to create one small white pigeon or three normal-sized billiard balls.
Source: Wikiquote · CC BY-SA 4.0
More from this book
"I suppose you wouldn't happen to know the way out of the forest, possibly, by any chance?"
Weems might have had a room-temperature IQ, but he knew idiocy when he saw it.
He wanted to say all this, and couldn't. For a man with an itch to see the whole of infinity, Twoflower never actually moved outside his own head. Telling him the truth would be like kicking a spaniel.
