When casting a spell and are asked to recite a verse, just press 'RETURN'.
The king's quest series of games uses the debug and interpreter for the programmers (up to KGIII). Hold down 'ALT' and press 'D'. Now let up on the keys and press 'RETURN' or 'ENTER' twice. Next type "GET OBJECT" and press return. The prompt 'OBJECT NUMBER:' will appear. Now enter a random number. Or, type "TP" and press 'RETURN' and when the prompt appears enter a random number to be transported to different locations.
To hide your possessions from the wizard, put them under the bed.