'This is a reckoning, Mistress Weatherwax,' Tiffany added.[...]And Granny Weatherwax smiled, as if she'd done all that was expected of her.
'Ha! Is it now?' she said. Very well. Come and see me again before you go, and we'll see what you may take back with you.'
Tiffany asking how to take pain away with her hands, Terry Pratchett, Wintersmith
Thus is the true nature of the master: the master never gives, not as such; A master just is. Receiving is then, something taking place within the student, not the master.