I'm not afraid to call a wine that tastes like Skittles or green peppers mixed with orange marmalade. I'll say 'It tastes like chicken.' I mean that's not what people think of when they think of wine but that's what it tastes like to me and it hits home.
Benevolence alone will not make a teacher nor will learning alone do it. The gift of teaching is a peculiar talent and implies a need and a craving in the teacher himself.