Daneel bows his head solemnly. "So he says. Still, he is possessed of a strength of feeling towards me that I fear does not make his judgement unbiased. It is very possible that my own judgement towards him is equally suspect."

He isn't used to having to doubt his own judgement; that's a troubling side effect.

"It is not possible to protect humans from all harm that may come to then, as much as I wish it were. Nor is it always wise to; sometimes suffering in small amounts is necessary to prevent greater suffering later. The difficulty lies in recognising which is which."