Terry Pratchett. The last hero (№ 136567)

Arccenter Ridcully decided that the team needs thorough training. In response, ponder stibbons Toups said that the team is going into the unknown, and Cracula said, in this case training should not be less than the unknown and the unexpected.
And Rincewind told that they were going to certain death, and certain destruction was capable of without any training.