The tea is a very real contribution and Lan Wangji accepts his cup gratefully when Wei Ying serves them, taking an appreciative sip before anything else. It is nice to have him here, in a way that's different from all the usual ways in which it is nice to have him here; it's the simple pleasure of receiving a guest together, a mutual friend.

Only once he's set down his cup does he consider Klaudia's question, not feeling a particular need to meet her eyes, nor Wei Ying's. "There are laws, and there is justice. The difference is not always clear, but it is significant." This is typically enough to have his disciples analyzing his words, attempting to draw their own conclusions and asking more questions, so he pauses.